152 GOBIlJDiE. 



1. Vulsus dactylopus. 



Callionymua dnciylopus, {Be7m.) Cuv. <^ Val. xii. p. .'510; Blcck. Am- 



baina, ii. p. 550. 

 Dactylopus bennettii, Gill, I. c. 



D. 4 I 8. A. 7. C. 10. 



Praeopercular spine slightly curved upwards, as long as the orbit, 

 and denticulated superiorly and inferiorly. Dorsal spines produced 

 into long filaments. Brownish, marbled with darker, and with nu- 

 merous blue ocelli ; the anterior dorsal with a large black ocellus 

 between the third and fourth sjjines ; the posterior brownish, with 

 five or six interrupted brown longitudinal bands ; the upper half of 

 the caudal fin with five brown cross- bands, alternating with yellow 

 ones ; the lower half dotted with black, and with short blue, black- 

 edged lines. 



Coasts of Amboyna and Celebes. 



a. Fine specimen. Amboyna. From Madame Ida Pfeiffer's Col- 



lection. 



b. Adult. Amboyna. Purchased of Mr. Frank. 



Appendix. 



LUCIOGOBIUS. 



Luciogobius, Gill in Proceed. Acad. Nat. Sc. Philad. 1859, p. 140, 



Body elongate, naked ; head depressed, with the cleft of the mouth 

 nearly horizontal. Gill-openings small, vertical, in front of the base 

 of the pectorals. Eyes small. Teeth in a band, those of the outer 

 series being the strongest. One short dorsal fin, without distinct 

 spines, situated on the tail ; anal opposite the dorsal. Ventrals 

 small, united in a simple infundibuliform basin. Brancliiostegals 

 four. 



Coast of Japan. 

 Gill, I. c. 



1. Luciogobius guttatus. 



D. 14. A. 13. V. 1/5. 



The height of the body is one-twelfth or one-thirteenth of the 

 total length, the length of the head two -ninths. Eyes widely sepa- 

 rated ; the cleft of the mouth extends to below the eye. Brown, 

 dotted with black. (Oill.) 



Coast of Japan. 



It woiJd appear, from the description of the ventral fins of this 

 genus, that it will form the type of a separate family, intermediate 

 between the Gohiidce and Gobiesoces. 



Bleeker refers to the Gobioids the following genus, which is marked 

 by such singular characters, that it will probably form the type of a 



