ILLUSTRATIONS

FIG. PAGE
Photograph of enlarged model of the house-fly (Musca domestica)[Frontispiece]
1.Pediculus vestimenti[2]
2.Pediculus vestimenti (dorsal and ventral views)[6]
3.Cimex lectularius (male)[24]
4.Egg of Cimex lectularius[28]
5.Newly hatched young of Cimex lectularius[29]
6.Pulex irritans (female)[36]
7.Larva of Pulex irritans[39]
8.Pupa of flea[41]
9.Ceratophyllus gallinulae (male and female)[44]
10.Ephestia kühniella. Moth-infested biscuit[47]
11.Ephestia kühniella[49]
12.Ephestia kühniella (larva and pupa)[50]
13.Corcyra cephalonica. Moth-infested biscuit[51]
14.Eggs of Musca domestica[59]
15.Eggs of M. domestica[60]
16.Abdomen of female house-fly, showing the extended ovipositor[61]
17.Mature larva of M. domestica[62]
18.‘Nymph’ of M. domestica dissected out of pupal-case about thirty hours after pupation[63]
19.Pupal-case or puparium of M. domestica from which the imago has emerged[64]
20.M. domestica in the act of regurgitating food[65]
21.Foot of a fly, showing hairs bearing bacteria[69]
22.Chart illustrating the relation of the numerical abundance of house-flies to summer diarrhoea in the city of Manchester in 1904[71]
23.Latrine-fly (Fannia scalaris)[75]
24.Larva of F. canicularis[76]
25.Blow-fly or blue-bottle (Calliphora erythrocephala)[77]
26.Green-bottle (Lucilia caesar)[79]
27.Flesh-fly (Sarcophaga carnaria)[80]
28.Side view of blow-fly (Calliphora erythrocephala)[81]
29.Trombidium holosericeum (female)[89]
30.Leptus autumnalis = larva of Trombidium holosericeum[90]
31.Leptus autumnalis, with the so-called proboscis[92]
32.Leptus autumnalis[93]
33.Pediculoides ventricosus (male and female)[96]
34.Demodex in hair-follicle of dog. Demodex folliculorum[98]
35.Sarcoptes scabiei (female)[100]
36.Sarcoptes scabiei (male)[101]
37.One of the legs of Sarcoptes scabiei showing the stalked sucker and the curious ‘cross-gartering.’[102]
38.A diagrammatic view of the tunnel made by the female of Sarcoptes scabiei, with the eggs she has laid behind her as she burrows deeper and deeper[104]
39.A female Sarcoptes scabiei, with four eggs in different stages of development[105]
40.Nephrophages sanguinarius (male and female)[110]
41.Evolution of Argas persicus[113]
42.Ixodes ricinus (mouth-parts of the female)[114]
43.Argas reflexus (female)[115]
44.Ornithodorus moubata (an unfed female)[116]
45.Ornithodorus moubata (female)[117]
46.Ixodes ricinus (male and female)[118]
47.Ixodiphagus caucurtei laying eggs in the nymph of Ixodes ricinus[120]
48.Hirudo medicinalis[124]
49.View of the internal organs of Hirudo medicinalis[126]
50.Head of a leech (Hirudo medicinalis)[130]
51.Hirudo medicinalis[133]
52.Cocoon of the medicinal leech[142]
53.A Nephelis forming its cocoon and withdrawing from it[143]
54.Cocoons of Nephelis[144]
55.A leech-farm in the south of France[145]
56.Glossosiphonia heteroclita, with eggs and emerging embryos[146]
57.Helobdella stagnalis, with adhering young[147]
58.Limnatis nilotica[150]
59.Anterior sucker of Hirudo medicinalis[152]
60.The Japanese variety of Haemadipsa zeylanica[156]
61.Haemadipsa zeylanica (from above)[157]
62.Haemadipsa zeylanica (head)[158]
63.Haemadipsa zeylanica (land-leeches), on the earth[159]

THE

MINOR HORRORS OF WAR