This peculiar property in fish has been attributed to the presence of phosphorus, which is known to exist somewhat plentifully in their substance, and has also been discovered in their roes in a simple state of combination. Now, phosphorus is one of the most powerful stimulants: it acts upon the generative organism in a manner to cause the most violent priapisms; but this principle does not act alone, and there must also be taken into account the different seasonings and condiments which form the basis of most culinary preparations to which fish are subjected, and which are all taken from the class of irritants.

The prolific virtues of fish have, no doubt, been greatly exaggerated, and it is certain that too much importance has been given to the observation made (rather upon slight grounds) by travellers as to the abundant population of ichthyophagic nations; nor would it be difficult to adduce facts to prove to the incredulous that the continuous use of fish excites lasciviousness in such persons only as are constitutionally inclined thereto.

The following instances sufficiently establish the aphrodisiacal qualities of phosphorus. A drake belonging to a chemist having drunk water out of a copper vessel which had contained phosphorus, ceased not gallanting his females till he died. An old man to whom a few drops only of phosphoric ether had been administered, experienced repeated and imperious venereal wants which he was compelled to satisfy. Leroy and Battatz, two celebrated French physicians of the last century, tried the effects of phosphorus upon themselves, with similar results. Sensations of the same kind are said to be experienced by persons whose occupation requires the frequent handling of this drug. It may thus be considered as satisfactorily proved that the above substance is essentially an energetic stimulant of the genital organs; but, should still further evidence be required, it may be found in the fact that the administration of it, even in small doses, has been productive of the most horrible and fatal results, instances of which are recorded in many medical works both foreign and English, but more particularly in those of Brera, Magendie, and others.

The erotic properties of truffles and mushrooms are considered by most writers as better established than those of fish. The ancient Romans were well acquainted with truffles, and obtained them from Greece and Africa, especially from the province of Libya, the fungi found there being particularly esteemed for their delicacy and flavour. In modern times, also, the truffle is regarded as the diamond of the kitchen, being highly valued for its capability of exciting the genesiac sense, it being a positive aphrodisiac which disposes men to be exacting and women complying.[122]

The following instance of its effects is given by Brillat Savarin,[123] to whom the circumstances were communicated, in confidence, by the lady who was the subject of them:

"Je soupai," says she, "un jour chez moi en trio avec mon mari et un de ses amis dont le nom était V——. C'était un beau garçon et ne manquant pas d'esprit et venait souvent chez moi, mais il ne m'avait jamais rien dit qui put le faire regarder comme mon amant, et s'il me fesait la cour, c'était d'une manière si enveloppée qu'il n'y avait qu'une sotte qui eut pû s'en fâcher. Il paraissait, ce jour là, destiné á me tenir compagnie pendant le reste de la soirée, car mon mari avait un rendezvous et devait nous quitter bientôt. Notre souper avait pour base une petite volaill truffée. Les truffes étaient délicieuses, et quoique je les aime beaucoup, je me contins, nonobstant; je ne bus aussi qu'un seul verre de Champagne, ayant quelque pressentiment que la soirée ne se passerait pas sans évènement. Bientôt mon mari partit et me laissa seule avec V—— qu'il regardait comme tout à fait sans conséquence. La conversation roula d'abord sur des sujets indifférents, mais elle ne tarda pas à prendre une tournure plus sérieuse et plus intéressante. V—— fut successivement flatteur, expansif, affectueux, caressant, et voyant que je ne faisais que plaisanter de tant de belles choses, il devint si pressant que je ne pus plus me tromper de ses prétensions. Alors, je me reveillai comme d'une songe et me défendis avec autant plus de franchise que mon cœur ne me disait rien pour lui. Il persistait avec une action que pouvait devenir tout à fait offensante; j'eus beaucoup de peine de la remener, et j'avone, à ma honte, que toute espérance ne lui serait pas interdite. Enfin, il me quitta, j'allai me coucher et dormis tout d'un somme. Mais le lendemain fut le jour du jugement; j'examinai ma conduite de la veille, et je la trouvai repréhensible. J'aurais du arreter V—— dès les premières phrases, et ne pas me prêter à une conversation qui ne présageait rien de bon. Ma fierté aurait dû sonner, crier, me fâcher, faire, enfin, tout ce que je ne fis pas. Que vous dirai je, Monsieur, je mis tout cela sur le compte des truffes, et je suis réelement persuadée qu'elles m'avaient donne une prédisposition dangereuse, et si je n'y renonce pas (ce qui eut été trop rigoureux) du moins je n'en mange jamais sans que le plaisir qu'elles me causent ne soit mêlé d'un peu de défiance."

The mushroom was also equally well known as the truffle to the ancient Romans for its aphrodisiacal qualities. Thus, Martial says:

"Quum sit anus conjux et sint tibi mortua membra, Nil aliud bulbis quam sater esse potes."[124]

"If envious age relax the nuptial knot, Thy food be mushrooms, and thy feast shalot."