GLOSSARY OF TECHNICAL ZOOLOGICAL TERMS 

 OCCURRING IN THE TEXT. 



AMBLYSTOMA. A Tailed Amphibian of the United States and Mexico. 



AMMOCCETES. The sexually immature larva of the Lamprey. 



AMXIOTA. The three higher classes of Vertebrates, i.e. Reptiles, Birds, and 

 Mammals, the embryos of which are enveloped in an amnion. 



AMPHIOXUS. THE LAXCELET. [The lowest animal possessing, in the adult 

 state, a vertebral skeleton (notochord).] 



AMPHISB.ENID^E. Lizards with Snake-like bodies, which live underground. 



AXAMNIA. The two lowest classes of Vertebrates, i.e. Fishes and Amphi- 

 bians, the embryos of which are not enveloped in an amnion (cf. Amniota). 



[AXATOMY. The study of gross structure.] 



ANTHROPOIDS, also ANTHROPOMORPHA. The highest "man-like" Apes 

 (Gibbons, Orangs, Gorillas, and Chimpanzees). 



ANURA. Tailless Amphibians (Frogs and Toads). 



APLACEXTALIA (Mammalia aplacentalia). The lowest Mammals, i.e. the 

 Ornithodelphia (Monotremata) and the Marsupialia. The Monotremata 

 are oviparous. The Marsupials produce immature young, which are in 

 most of them carried about after birth in a pouch (marsupiurn) formed 

 by the abdominal integument. [In neither Monotremata nor Marsupials 

 is an allantoic placenta developed like that of all the higher Mammals 

 (Placentalia).] 



ARCTOMYS MARMOTTA. Marmots ; [terrestrial Rodents inhabiting Europe, 

 North Asia, and North America.] 



[ATAVISM. The reversion to the condition of a lower type.] 



ATELES. The Spider Monkey of South America. 



AUCHEXIA. The Llama. 



[BIOLOGY. In English, the study of all phenomena manifested by living 



organisms. 1 ] 

 BOVINA. Oxen. 



BRADYPTJS. A South American Sloth. 

 BRANCHIOSAURUS. A Tailed Amphibian of the Permian period. 



CAPROMYS. Arboreal Rat-like animals found in Cuba and Jamaica. 

 CARNIVORA. Beasts of prey (flesh -eaters). Especially Felidoe and Canidae. 

 CAVIA. The Guinea-Pig. 

 CEBUS. The " Capuchin," a leading genus of American Monkeys. 



1 [The term " Biologic " of continental observers is usually applied to the study 

 of life itself, i.e. it is more nearly equivalent to our English term Physiology.] 



