CUAP. XX.] 
FISHES. 
4G1 
Family 101. — KHINODONTIDZE. (1 Genus, 1 Species.) 
“ Sharks with two dorsal fins, the second small, and no nicti- 
tating membrane.” 
Distribution. — South and East Africa. 
Family 102. — NOTIDANIDZE. (L Genus, 4 Species.) 
“ Sharks with one dorsal fin and no nictitating membrane.” 
Distribution. — Temperate and tropical seas, from the North 
Atlantic to the Cape of Good Hope and California. One species 
has occurred on our southern coasts. 
Family 103. — SCYLLIIDiE. (7 Genera, 2b Species.) 
“ Sharks- with one dorsal fin and no nictitating membrane.” 
Distribution.— All temperate and tropical seas. Species of 
Scyllium and Pristiurus are British. 
Family 104.— CESTRACIONTIDH5. (1 Genus, 4 Species.) 
“ Sharks with two dorsal fins and no nictitating membrane.” 
Distribution. — Pacific Ocean from Japan to New Zealand, 
Moluccan Sea. 
Family 105.— SPINACIDHE. (10 Genera, 21 Species.) 
“ Sharks with two dorsal fins and no nictitating membrane, no 
anal fin.” 
Distribution.— Arctic, temperate, and tropical seas. Species 
of Acanthias , Lcemargus, and Echinorhinus have occurred on our 
coasts. 
