ii8 OircHor's Annual Report. 



Genus OSTRACION Artedi. 



244. Ostracion ctibicus Artedi. 



Carapace, 4-ridged, without spines; D. 10; A. 9. The back 

 slightly convex, no raised ridge on median line. Color in spirits: 

 White with scattered round black dots all over the body. One 

 specimen, length three-quarters of an inch. Guam, July 14, 1900. 

 Hab. Red Sea, western Pacific, iVustralia, Marianas. 



358-361. Ostracion cornutus (Linn.). 



Head 3.50 ; depth (at hvimp) 2.50; eye about 2; interorbital 

 very concave, 4 into length; frontal .spines 5.50 into length; pos- 

 terior spines abovit the same: D.9; A. 9; P. II. Scales: About 10 

 plates in a line between caudal and eye. Body shortened and angu- 

 lar, the carapace 4-ridged, with a small ridge in the middle of back. 

 The hind portion of tail covered by soft skin. Mouth small, max- 

 illaries and premaxillaries coalescent. Teeth rather slender and 

 in one row, about 10 in each jaw. Color in spirits: Carpace bistre- 

 brown, with numerous irregular and indi.stinct darker blotches; 

 below yellowish. Four specimens, length i .50-5.50 inches. Agana, 

 Guam, July 12, 1900. Hab. Western Pacific, Malay Archipelago, 

 Marianas. 



246-248. Ostracion punctatus Bl. Danglum. 



Head 3.50 ; depth 3 ; eye 3, about 2 into snout ; interorbital 

 1. 12; D. 9; A. 9; C. 8; P. 10. Carapace 4-ridged without spines. 

 Back somewhat rounded without any ridge in median line. Inter- 

 orbital space almo.st fiat. Teeth: About 10 conical brown teeth in 

 each jaw. Fins: Caudal 4.50 into length. Pecftorals 1.50 into 

 head. Dorsal and anal slightly shorter. Color in spirits: Brown, 

 with small blue dots all over the body; older specimens have few 

 or no .spots on snout, and the spots are larger on sides and belly. 

 Fins are du.sky, with black bases. Young specimens have bkiish 

 spots on cavidal fin, while old specimens have the po.sterior third of 

 fin white. Three specimens, length 3-6 inches. Guam, June 14, 

 1900. Hab. Polynesia, western Pacific, Marianas. 



Family TBTRAODONTID^.— Puffers. 



Genus TETRODON Linn^us. 



249. Tetrodon papua Bl. 



Head 2.66; depth 2.1 ; eye 5, 3 into snout; interorbital con- 

 cave, 3 into head; D. 9; A. 10; P. 16; C. 10. Spines minute, cover- 

 ing the entire bod}-, except caudal peduncle. Nasal organs quite 



