ii8 DirCLlor s Annual Report. 



Genus OSTRACION Aktedi. 



244. Ostracion cubicus Artedi. 



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

 slight!}' 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, Australia, Marianas. 



358-361. Ostracion cornutus (Linn.). 



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

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

 terior spines about the same; D.g; A. 9; P. 11. 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 indistinct darker blotches; 

 below yellowish. P'our specimens, length 1.50-5.50 inches. Agaiia, 

 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 almost flat. Teeth: About 10 conical brown teeth in 

 each jaw. Fins: Caudal 4.50 into length. Pedlorals 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 belh'. 

 Fins are dusk}-, with black bases. Young specimens have blui.sh 

 spots on caudal fin, while old specimens have the posterior third of 

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

 1900. Hab. Polynesia, western Pacific, Marianas. 



Family TBTRAODONTID^.— Puffers. 



Genus TETRODON I^inn.^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 body, except caudal peduncle. Nasal organs quite 



