I20 Direclof s Annual Report. 



spotted; white below, with i6 ver\' black longitudinal lines of about 

 the same width as the interspaces. A brown ring around snout. 

 A few small blue spots on caudal peduncle. A black splotch larger 

 than eye at base of pe(5torals. One specimen, length 2.25 inches, 

 from coral reef at Agaiia, Guam, June 12, 1900. Hab. Western 

 Pacific, Polynesia, Marianas. 



Family DIODONTID^.— Porcupine-fishes. 



Genus DIODON Linn^us. 



353. Diodon hystrix Linn. Porcupine-fish. 



Heads; depth 3.33; D. 15; A. 14. vSpines strong; the spines 

 behind the peAorals longest and strongest; frontal spines shorter, 

 about as long as eye; spines about the dorsal and anal fins short, 

 their bases free from spines. Caudal peduncle with two or three 

 half rows of short spines above and below. Anal, dorsal and cau- 

 dal of about equal length, 2 into head. Pectorals a little shorter, 

 the upper lobe slightly longer. Color in spirits: Back and sides 

 dusky, with numerous black spots. Belly w^hite. All the fins 

 greenish, with numerous round black dots. One specimen, length 

 15 inches. Agaiia, Guam, July 12, 1900. Hab. Seas of India, 

 western Pacific, Marianas. 



Family SCORP^NID^.— Rock-fishes. 



Genus SCORP^NA Artedi. 



254. Scorpsena bakeri sp. nov. Baker's Rock-fish. 



Head 2.50; depth equal to head; eye 4; interorbital 5.50 into 

 head; snout 3 into head; D. xii 10; A. iii 5; V. i 5. Maxillary 

 1.80 into head. Scales about 34, breast scaly, head naked. Body 

 oblong, somewhat compressed. Head large, naked above, with 

 horny spines and dermal filaments. Teeth villiform on jaws, vomer 

 and palatines. Supraocular tentacle more than twice diameter of 

 eye. The dermal flaps along sides of body less than diameter of 

 eye. Occiput with a very shallow depression. Interorbital groove 

 deep and narrow; suborbital stay weak, a small spine in its middle 

 and at its posterior end. Po.sterior edge of preopercle with four 

 strong spines, the upper one the longest, equal to diameter of 

 pupil and with a minute superimposed spine on its base. Pre- 

 orbital with a strong spine directed forward and a strong one 

 direcfted back and down. Nostrils with a distinct spine and dermal 

 filament. Supraorbital bones each with four spines. Opercle with 

 three or four spines; seven spines on each side of nape above 

 opercles. Fins: The second anal spine longest and .strongest, its 



