1906.] NATURAL SCIENCES OF PHILADELPHIA. 103 



OSTRAOIONTIDiB. 



71. Lactophrys trigonus (Linnteus). Trunk Fish. Shell Fish. 



Color in life pale olive with blue spots or dots. Blotch of blackish 

 on side. Fins pale yellowish-brown, caudal more brownish. Base 

 of dorsal blackish. Iris pale yellowish. Length 6^ inches. 



Marquesas Islands. 



72. Acanthostracion tricornis (Liimseus). Horned Trunk Fish. 



Color in life with belly pale sulphury. Spots on body blackish- 

 brown. Fins pale brownish, caudal with a few spots. Chin whitish. 

 Iris yellowish-white with brown spots. Length 3| inches. 



Marquesas Islands. 



TETRODONTID^. 



73. Spheroides nephelus Goode and Bean. Puffer. Swelling Fish. 



Color in life with side of body citron-yellow. Back variegated with 

 pale vermiculating blue lines of dots and marked with black spots. 

 Blue lines also forming ocelli of black lateral blotches. Fins dilute 

 brownish. Iris dilute yellowish. Length 2^ inches. 



Marquesas Islands. 



74. Spheroides plumieri (Schneider). Puffer. Swelling Fish. 



Color in life brownish above tinted with pale olive and marbled with 

 blackish-brown. Tentacles on back whitish. A dark expanded 

 triangular blotch between eyes. Side of body olive, blotches blackish. 

 Fins pale or dilute brownish. Caudal whitish, and basally and sub- 

 marginally with a broad transverse blackish-brown bar. Lower sur- 

 face of body chalky-white. Iris pale orange-yellow. Length Sc- 

 inches. 



Marquesas Islands and a number from Boca Chica Kej^ 



DIODONTID^. 



75. Diodon hystrix Lmnseus. Porcupine Fish. 



This, and sometimes the following, are taken and dried as curios. 

 Nothing further than that both species occur was gathered from the 

 fishermen. 



76. Diodon holocanthus Linnrtus. Porcupine Fish. 



77. Lyosphaera gibbosa Evermann and Kendall. Marble Fish. 



Color in life pale olivaceous above. Black below forming reticulat- 

 ing lines with bright orange spots. Black lines reticulating above in 

 olivaceous. Jaws pale brownish. Fins whitish. Iris pale golden. 

 Length i^ inches. 



