20. CALLIONTMUS. 149 



from China differ from those from Japan in having blackish spots 

 on the second dorsal and on the pectoral ; he retains the name of 

 C. reevesii for the former, and that of C. longecaudatus for the 

 latter. As all the specimeiLS in the British Museum are from 

 China, they should be named C. reevesii, although the spots have 

 nearly faded away in consequence of the long period of their pre- 

 servation. 



16. Callionymus simplicicornis. 



Ctiv. 8f Vol. xii. p. 303. 



D. 4 I 8. A. 7. 



Praeopercular spine straight, very finely serrated. Brownish, with 

 small darker rings. ( Val.) 

 Sea of Guam. 



/5. A very small gill-opening on the upper surface of the head. 

 Lateral line double. 



17. CaUionymus goramensis. 

 Sleeker, Goram, p. 214. 



D. 4 I 9. A. 7. C. 10. 



Two lateral lines on each side. Praeopercular spine with five or 

 six tooth-like processes, and with a seventh at its base. The first 

 dorsal spine and the last ray of the dorsal and anal fins produced. 

 Fins dotted with blue ; anal with a brown longitudinal band ; the 

 lower half of the caudal with five or six transverse series of brown 

 spots. {Bl.) 



Sea of Goram. 



y. Gill-opening somewliat widened, rather more on the side of the 

 head. No detached ventral rag. (Synchiropus, Gill.) 



18. Callionjnnus lineolatus. 



Callionymus lineolatus, Cuv. <^ Val. xii. p., 307. 



lateralis, Richards. Voy. Sulph. Fishes, p. 65. pi. 37. figs. 5 & 6, 



D. 4 I 8. A. 7. 



Foramen branchiale on the side of the neck, covered by the extre- 

 mity of the operculum, which is not produced. Praeopercular spine 

 straight, rather shorter than the eye, with two tooth-like processes 

 superiorly ; none at the base. 



Male. — The anterior dorsal is elevated. Body brownish, marbled 

 with darker ; irregular pearl-coloured, dark-edged spots and lines 

 on the sides. The anterior dorsal blackish between the first and 

 second spines, the remainder of the fin with irregular pearl- coloured 

 spots and lines, edged with darker ; the posterior with five brown 

 bands, descending obliquely backwards, and with a few whitish dots 

 on the base ; caudal with two approximate brown cross-bars accom- 



