22 



part of head half or more than half the distance of the 



operculum from base of pectorals C. sciitattts p. 22. 



2. Interorbital space convex, without groove; sutures of lateral 

 plates smooth. Postorbital part of head thrice in distance 

 of the operculum from base of pectorals C. cristatus p. 23. 



i. Centriscus scutatus L. [Fig. 8 p. 18 and Fig. n, p. 21]. 



Centriscus scutatus Linne", Syst. Nat. edit. X. 1753, p. 336. 

 Centriscus scutatus Bloch, Ausland. Fische I. 1785, p. 57. 

 Centriscus scutatus Bloch, Schneider, Syst. ichth. 1801, p. 113. 

 Amphisilc scutata Gunther, Cat. Brit. Mus. III. 1859 1861, p. 525. 

 Amphisile macrophthalma Steindachner, Verhandl. zool. bot. Gesellsch. Wien X. 



1860, p. 766. 

 Amphisile (Acentrachme) scutata Ltitken, Vidensk. Medd. naturh. Foren. Kjoben- 



havn 1865, p. 215. 



Acentrachme scutata Bleeker, Ned. Tijdschr. Dierk. II. 1865, p. 144. 

 Acentrachme pachyacanthus Bleeker, Ned. Tijdschr. Dierk. II. 1865, p. 274 



(secundum Amphisile scutatus Guerin, Iconographie Regne animal II. Poissons 



tab. 45, f. 3; no description). 

 Centriscus scutatus Bleeker, Versl. Akad. Amsterdam (2) II. 1868, p. 298 



("= Acentrachme scutata Gill"). 

 Amphisile scutata Klunzinger, Abhandl. zool. bot. Gesellsch. Wien XXI. 



1871, p. 516. 



? Amphisile Finschii Hilgendorf, Sitzb. Gesellsch. Naturf. Freunde Berlin 1884, p. 53. 

 Amphisile scutata Day, Fishes India 4, 1878 1888, p. 361. 

 Centriscus scutatus Jordan & Scale, Bull. Bureau fisheries, Washington XXVI. 



(1906) 1907, p. 9. 

 Amphisile scutata Jungersen, Danske Vidensk. Selsk. Skrifter K0benhavn (7) 



Afd. VI. 2. 1908, p. 44. 

 Centriscus scutatus Max Weber, Siboga-Expeditie, Fische, 1913, p. 99. 



B. 3; D. III. 1012; A. II 12; P. IO; V. 34. 



Height 6 ! / 2 7 ] / 2 in length to end of terminal spine, more 

 than 6 times in length to root of caudal. Head about 3, about 

 2 ! / a to base of soft dorsal rays, somewhat less to root of caudal. 

 Snout 1.2 1.4 in head. Eye 8 ! ) to nearly 9, about II times 

 in head, about 6.3 to 9 times in snout. Operculum somewhat 

 quadrangular with rounded corners, nearly oval, somewhat 

 longer than high. Distance of eye from hindborder of oper- 

 culum is half or conspicuously more than half the distance of 

 the operculum from base of pectorals. Distance of pectorals 

 from ventrals much less than distance of pectorals from hind- 

 border of eye. Crown of head striated, with a longitudinal 

 groove extending to between the eyes. Sutures of lateral plates 



i) According to STEINDACHNER (1. s. c.). 



