Aristotle 



45 



Viviparous in the in- 

 ternal sense. 



> 



/With 

 perfect 

 ovum. 



ENAIMA (Sanguineous and either viviparous or oviparous] 

 vertebrates. 



1. az.'$po)7ros. Man. 



2. K?/T7/. Cetaceans. 



Viviparous quadrupeds. 



(a) ju?/ a\j.$<s>ovTCL. Non-amphodonts 



= Ruminants with incisor in 

 lower jaw only and with cloven 

 hoofs. 



(b) \j.urv\a. Solid-hoofed animals. 



i. \6(j)ovpa. Equidae. 

 ii. fJL^vv^a Tpa. Other solid- 

 hoofed animals. 



4. opviOes, Birds. 



(a) ya/,u//co2'vx a - Birds of prey with 



talons. 



(b) oreyai'OTToSes. Swimmers with 



webbed feet. 



(c) 7repi<7Tepoeirj. Pigeons, doves, &c. 



(d) a7ro66s. Swifts, martins, &c. 



\ / * J 



(e) opviOts erepot. Other birds. 



5. wa rtrpaTroBa woro/ca. Oviparous 



quadrupeds = Amphibians and most 

 reptiles. 



6. oc/nwS?]. Serpents. 



7. tx0vj. Fishes. 



(a) (T\a\i]. Selachians. Cartilaginous 



fishes and, doubtfully, the fishing- 

 frog. 



(b) i)(8vs erepot. Other fishes. 



Oviparous 

 though 

 sometimes ( 

 externally 

 viviparous 



With 



imperfect 



ovum. 



AN AIM A (Non-sanguineous and either viviparous, vermiparous 

 or budding) Invertebrates. 



8. //aAa/aa. Cephalopods. 



9. fj.a\aKO(TTpa.Ka. Crustaceans. 



IO. ei'rojuia. Insects, spiders, scorpions, 

 &c. 



With perfect ovum. 

 With c scolex '. 



