222 THE STRUCTURE OF MAN 
[PaHyLumM.—A term applied to any great race or assemblage of genetically 
related forms of life, which conform.to the same fundamental type.]| 
[PHysIoLoey. —The study of the functions of living matter, ae. of the living 
in action. | 
PINNIPEDIA.—Marine Carnivora, having feet transformed into paddles. The 
Seals, Sea-lions, and Walruses. 
[PLACENTALIA. inthe highest sub-class of Mammals. Those Mammals which 
develop an allantoic placenta. ] 
PrimatEes.—The highest order of Placental Mammals, including the Lemur- 
oidea, Monkeys, Apes, and Man. 
Prosimir.—(Cf. Lemuroidea.) 
ReveERsion.—(Cf, Atavism.) | 
RopEeNntT1a.—An order of gnawing Mammals (Rabbits, Rats, Porcupines, 
Squirrels, and their allies). 
SauRiAns.— Lizards. 
SeLACHIANS.—Sharks and Dog-fishes. (Cf, Elasmobranchii.) 
SrrENIA.—An order of Aquatic Mammals. (Cf. Manatee.) 
Stow Worms.—A. group of Limbless Lizards. 
STEGOCEPHALA.—Fossil Amphibians, most abundantly represented in the 
Carboniferous, Permian, and Triassic strata. 
Stenops.—The “Slender Lori” of Ceylon, one of the Lemuroidea. 
Sus scrora.—The Domestic Pig. 
Tarsius.—[The “Tarsier” of Borneo, Sumatra, and the Celebes.] One of 
the Lemuroidea. 
TELEOSTEI.—The Bony Fishes. 
TrTroponta.—Aberrant Bony Fishes, belonging to the family Gymnodontes. 
TootHED WHates.—A group of the Cetacea, including the Cachelots or 
Sperm Whales, Dolphins, and Porpoises. (Cf. Cetacea.) 
Unevutata.—The Hoofed Mammals. ; 
UropELa.—The Tailed Amphibians. Newts, Salamanders, and their allies. 
Ursus.—The Bear. | 
ZieHius.—[A long-snouted Toothed Whale met with in most of the great 
seas. | 
