﻿4S6 ACTrN-OPTERTGII. 



7ii$cus, will be considered in Part III. of this Catalogue under the 

 generic names indicated : — 



Pala : oniscus catopterus, Ag., and superstes, Egert., assigned to 

 Dictyopyge. 



Palceoniscus glaphyrus, Ag., abbsi, Kirkby, altus (latus), Kirkby, 

 and varians, Kirkby, assigned to Acentrophorus. 



Palceoniscus arenaceus, Berger, fultus, Ag., ovatus, Eedfield, 

 agassizi, Eedfield, macropteims, Eedfield, and latus, Eed- 

 field, assigned to Semionotus. 



Palceoniscus maacJci, Eohon, and sibiricus, Eohon, assigned to 

 Colobodus. 



Genus APATEOLEPIS, A. S. Woodward. 



[Mem. Geol. Surv. N. S. Wales, Palasont. no. 4, 1890, p. 12.] 



Trunk slender, fusiform. Head of moderate size, snout prominent, 

 and suspensorium very oblique ; teeth minute. Pins well developed, 

 without fulcra, the rays delicate, closely arranged, articulated, and 

 bifurcating distally. Dorsal and anal fins high and triangular, the 

 former situated in advance of the latter ; upper caudal lobe much 

 produced, the fin being deeply forked and nearly equilobate. Scales 

 of the trunk rhomboidal and extremely delicate, marked with 

 diagonal striae. 



Apateolepis australis, A. S. "Woodward. 



1890. Apateolepis australis, A. S. Woodward, op. cit., p. 13, pi. iv. 

 figs. 1-4. 



Type. Imperfect fish ; Museum of Geol. Survey, STj S. Wales, 

 Sydney. 



The type species, attaining a length of about 0*2. Maximum 

 depth of trunk contained about six times, and the length of the 

 head with opercular apparatus somewhat more than four times 

 in the total length. Pelvic fins relatively large ; dorsal fin much 

 larger than the anal, and completely in advance of the latter. 

 External bones finely striated ; scales with two or three coarse 

 striae. 



Form. Sf Loc. Hawkesbury Beds (Upper Trias) : New South 

 Wales. 



P. 6268. Two fragments. By exchange, 1890. 



A genus closely related to Apateolepis, as yet very imperfectly 

 defined, is named Actinophorus, J. S. Newberry, Trans. New York 



