GLOSSARY OF TECHNICAL ZOOLOGICAL TERMS 
OCCURRING IN THE TEXT. 
AmptystomMa.—A Tailed Amphibian of the United States and Mexico. 
Ammocatrs.—The sexually immature larva of the Lamprey. 
Amwniota.—The three higher classes of Vertebrates, z.c. Reptiles, Birds, and 
Mammals, the embryos of which are enveloped in an amnion. 
Ampuioxus. THE Lancetet.—[The lowest animal possessing, in the adult 
state, a vertebral skeleton (notochord). | 
AMPHISBHNID#.— Lizards with Snake-like bodies, which live underground. 
AnAMNIA.—The two lowest classes of Vertebrates, 7c. Fishes and Amphi- 
bians, the embryos of which are not enveloped in an amnion (cf. Amniota). 
[ANatomy.—The study of gross structure. | 
ANTHROPOIDS, also ANTHROPOMORPHA.—The highest ‘“man-like” Apes 
(Gibbons, Orangs, Gorillas, and Chimpanzees). = 
Anura.—Tailless Amphibians (Frogs and Toads). 
APLACENTALIA (Mammalia aplacentalia).—The lowest Mammals, 1.¢. 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 (marsupium) 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. ] 
[ Aravism.—The reversion to the condition of a lower type.] 
ATELES.—The Spider Monkey of South America. - 
AvcHENIA.—The Llama. 
[Brotoey.—In English, the study of all phenomena manifested by living 
organisms. !] 
Bovina.—Oxen. 
BrapDypus.—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 Felide and Canide. 
Cavia.—The Guinea-Pig. 
Crespus.—The “ Capuchin,” a leading genus of American Monkeys. 
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1 [The term ‘‘ Biologie” of continental observers is usually applied to the study 
of life itself, 7.e. it is more nearly equivalent to our English term Physiology. ] 
