NOTICES OF SERIALS. 
41 
CLASSIFICATION OF ANIMALS. 
Heterogeny ; spontaneous generation, 
unlimited: INFUSORY ANIMALCULES, 
limited: INTESTINAL WORMS. 
Homogeny ; generation from like kind, 
fissiparous, 
aggregated : ZOOPHYTES, 
free: ECHINODERMS. 
sexual, 
incomplete: hermaphroditism, 
self-sufficient: MULTIYALYES, BIVALVES, 
insufficient: UNIVALVES, CEPHALOPODS. 
complete ; producing an egg. 
egg incomplete; undergoing metamorphose. 
metamorphose multiple: ANNELIDS, CRUSTACEANS, 
ARACHNIDS. 
metamorphose single: INSECTS. 
egg complete : VERTEBRATES, 
fecundated out of the parent, 
after spawning: FISHES, 
during spawning: BATRACHIANS. 
fecundated within the parent. 
embryo developed out of the parent, 
by solar warmth : REPTILES, 
by maternal incubation : BIRDS. 
embryo developed within the parent: MAMMALS, 
uterus multiple: DIDELPHA. 
terrestrial. . Monotrema , Marsupials , Rodents (most), 
aerial ..... Lori , Squirrel. 
uterus single: MONODELPHA or PLACE NTARY. 
placenta multiple or diffuse: HERBIVOROUS . 
.. ■, ( Fissipeds or Ruminants. 
unguligrade, j ^ . Solipeds. 
, ( hairy. . Hog. 
cutigraae, j^g^ Rhinoceros , Elephant , Sfc. 
placenta single : 
mamillse numerous, ventral: CARNIVOROUS. 
,. ... ( ungues retractile . . Cat. 
g ’ \ ungues not retractile . Hyena, Dog. 
j semiplantigrade . Weasel, Racoon , £c. 
plantigrade, | 
Anteater, Bear. 
mamillae a pair: 
quadrumane; 
(' perfectly 
CHEIROZOA. 
aquatic, 
aerial, 
bimane. 
( semiaquatic 
( perfectly 
1 semiaerial 
Cetaceans , 
Seals. 
Bats. 
Monkeys. 
Mankind, 
