206 PROCEEDINGS OF THE NATIONAL MUSEUM. ^ol. 56. 



it and dark color on back, latter bounded by a dark band from snout 

 to median caudal base. 



(For the Azores whore the type was obtained.) 



BALISTES VETLLA Linnaeus. 



One example, 305 mm. to caudal base, 535 mm. to end of caudal 

 filaments. 



LACTOPHRYS NOTACANTHL'S (Bleeker). 



Head, 2^; depth, 2^; D. i, 9; A. i, 9; eye, 3 in snout; snout, 1{ 

 in head to upper angle of gill-opening; interorbital, 2^; caudal, 1^. 

 Preocular spine slightly over half of eye. Median keel of back with 

 distinct small spine at last third between hind eye edge and dorsal 

 origin. Caudal peduncle unarmed. Color in alcohol with each scute 

 with submarginal ring and central spot of darker brown than body 

 color, all of which, somewhat variable at ring, may be waved slightly 

 in places and central spot appear as if formed of several blotches. 

 Length, 266 mm. 



Apparently distinct from the West Indian LactopJirys tricornis 

 (Linnaeus), none of my examples having the erect dorsal spine before 

 the dorsal fin as in the above. Bleeker's species is without the 

 bridges behind dorsal and anal fins, where each edge ends in a back- 

 wardly directed spine. Giinther admits it ^ only as a variety and 

 says ' ' examples from the West Indies with an indication of the dor- 

 sal spine are by no means uncommon." 



LIOSACCUS CUTANEUS (GUnther). 



Head, 2|; depth (contracted), about 3*; D. ii, 6; A. ii, 6; P. i, 14; 

 head width, If in its length; snout, 1|; eye, 4f ; interorbital, 2|. 

 Body cylindrical, robust; belly loose, though skin tough or moder- 

 ately pliable and capable of great inflation. Caudal peduncle de- 

 pressed so least depth equals its width at same point. Head large, 

 robust, broad as deep when not inflated, upper profile little inclined 

 in front. Snout convex over surface and in profile, about wide as 

 long. Eye moderate, ellipsoid, front edge about midway in head. 

 Mouth rather large. Teeth large, with entire even cutting edges. 

 Lips thick, fleshy, and greatly papillose. Nostrils together, on front 

 and hind faces of short fleshy knob, which is nearly an eye-diameter 

 in advance of eye, nearly level with upper edge. Interorbital broad, 

 with wide shallow median concavity. Gill-opening nearly vertical, 

 equals 1| eye-diameters. Skin entirely smooth, with very fine longi- 

 tudinal wrinkles on back and sides behind pectoral to dorsal and on 

 inflatable belly. Dorsal inserted nearly at last third between front 

 eye edge and caudal base. Anal similar, inserted entirely but close 



' Cat. Fish Brit. Mus., vol. 8, 1870, p. 258. 



