PLATE 108 
PLATE LV, 
SQUALUS CATULUS. 
LESSER SPOTTED SHARK. 
***** PISCES CHONDROPTERYGII. 
GENERIC CHARACTER. 
Head obtuse. Spiracles four to seven, placed on the side of the neck, 
and semilunar. Eyes oblong, vertical, half covered, and situated 
before the temporal orifices. Mouth beneath, in the anterior part 
of the head : teeth numerous, serrated, acute, partly moveable ; 
partly fixed ; and unequal. Body oblong, roundish, and rough, 
tvith tender prickles. Ventral fins for the most part smaller than 
the pectoral ; approximate, and situated round the vent, or genitalia, 
in the males. 
SPECIFIC CHARACTER. 
Nostrils surrounded with a lobe and vermiform appendage: ventral 
fins united. 
SftUAL.cs Catulus : naribus lobulo et appendice vermiformi cinctis, 
pinnis ventralibus concretis. Gmel. Linn . Syst. 
Nat. p. 1490. sp. 10.' 
Squalus varius pinnis ventralibus concretis. Bloch. Aush. Fisch. 1 . 
p. 21. n. 5. t. 114. 
Lesser Dog-fish. Penn. Brit. Zool. 3. p. 90. n. 9 . 
