192 "ENDEAVOUR" SCIENTIFIC RESULTS. 



they prove the armature of the operculum to be a valid 

 specific character, and have 25-26 dorsal and 13-14 anal 

 rays; the tube-bearing scales of the lateral line vary in 

 number from 34-36/6-9. 



Affinities. P. quinquedentatus, having the anterior 

 dorsal rays divided, belongs to the subgenus Leptoch- 

 romis, but differs from the other species of that group, 

 P., L., tapeinosoma Bleeker, cyanotwnia Bleeker, and 

 melanotcenia Bleeker in having 25-26 dorsal rays instead 

 of 21-22, and 40 instead of 30 rows of scales. It is 

 perhaps one of several species of Pseudochromis the 

 descriptions of which do not refer to the form of the 

 dorsal rays, and scale-counts, etc. 



Localities. 13 miles south-east from Cape Capri- 

 corn, Queensland, 12 fathoms; 29th July, 1910. 



12 miles north-west of Pine Peak, Queensland, 25 

 fathoms; 1st August, 1910. 



PSEUDOCHROMIS, LEPTOCHROMIS, TAPEINOSOMA 



(Plate li.) 



Pseudochromis tapeinosoma Bleeker, Nat. Tijd. Ned. 

 Indie, iv, 1853, p. 115. Id. Giiuther, Brit. Mus. Cat. 

 Fish, ii, 1860, p. 258. Id. Weber, Siboga Exped., Ivii, 

 Fische, 1913, p. 263. 



Leptochromis, tapeinosoma Bleeker, 

 Atlas Ichth. ix, 1877, pi. cccxc, fig. 1. 



D.iii/22 ; A.ii/13 ; V.i/5 ; P.18 ; C.17. L. lat. 27-29/9 ; 

 1. tr. c.2/12. About 33 rows of scales between the origin 

 of the lateral line and the hypural joint. 



Depth of body (12 mm.) 3-7 in the length to the 

 hypural joint; head (12-75) 3-5 in the same. Eye (3-5) 

 much longer than the snout, 3-6 in the head; inter- 

 orbital space (1*25) very narrow, 2-8 in the eye. Pectoral 

 fin (8-5), ventral (9) and caudal (9) subequal in length, 

 1-4-1-5 in the head; 20th dorsal ray (6-5) slightly longer 

 than the 10th anal ray (6), and 1-9 in the head. 



Body compressed and oblong, head obtusely pointed, 

 its upper and lower profiles equally convex; caudal 

 peduncle broad and compressed. Series of minute pores 

 encircle the eye, cross the nape and extend around the 



