Comp"rison of pituitary body and coxal glands, [246], [319], [321]
Comp"rison of prosoma and mesosoma of Limulus and Ammocœtes, [140], [141]
Comp"rison of prosomatic region of Ammocœtes and Eurypterus, [244], [333]
Comp"rison of retina in Ammocœtes and Musca, [97]
Comp"rison of re"ina compound in Arthropod and Vertebrate, [87]
Comp"rison of skeleton of Limulus and Ammocœtes, [126], [136]
Comp"rison of sense-organs of Arthropod appendages with auditory organs of Vertebrate, [375]
Comp"rison of thyroid with endostyle, [198]
Comp"rison of thy"oid w"th uterus of Scorpion, [205]
Corneagen, [69]