Storer’s Synopsis of the Fishes of North America. 259 
Genera found both in 
Family. Europe and North 
America. 
Syngnathus. 
SYNGNATHIDE. ns 
Hippocampus. 
Tetraodon. 
GyYMNODONTID&. 5 | 
Orthagoriscus. 
Ba.istip®. Balistes. 
OsTRACIONIDE. 
Srurionipz. Hea 
Carcharias. 
Lamna. 
Mustelus. 
Selache. 
Acanthias. 
Scymnus. 
Zygena. 
Squatina. 
f 
| 
| 
L| 
(| Raia. 
\ 
SQuaLip”. 
Raupz. Trygon. 
My liobatis. 
Petromyzon. 
Prerromyzonip2&. 
Ammoceetes. 
Genera foundin North : Genera found in North 
America, but not pe- cag a aaa ue America, and extend- 
culiar to it. P ing to South America. 
| 
| 
Diodon. Acanthosoma. | 
Monocanthus. | 
Aluteres. 
| 
1 
| Lactophrys, | 
Polyodon. 
Platirostra. 
Pristis. 
| 
| 
| 
Aétobatis. Aétobatis. 
Trygon. 
Although it will be seen, by the above catalogue, that quite a 
number of genera are found to inhabit the coasts of both Europe 
and North America, but few of the species belonging to these genera 
have been detected upon the shores of both countries. 
They are as follows: — 
Trigla cuculus. 
Cottus gobio. 
Dactylopterus volitans. 
Aspidophorus Europeus. 
Scorpena porcus. 
Sebastes Norvegicus. 
Gasterosteus aculeatus. 
Scomber colias. 
Scomber grex. 
Pelamys sarda. 
Trichiurus lepturus. 
Auxis vulgaris. 
Anarrhicas lupus. 
Salmo salar. 
