﻿248 SIRENOIDET. 



the edge of a palatine dental plate, and another (as already- 

 noted by Huxley and Traquair) distinct jugular plates 

 between the mandibular rami. Purchased, 1851. 



26117 fiu Large imperfect fish, figured by Huxley, Mem. Geol. Surv. 

 dec. xiii. pi. iii. fig. 5. Purchased, 1851. 



26117. Slab with imperfect remains of two individuals. Of one 

 specimen the caudal region is figured by Huxley, Mem. 

 Geol. Survey, dec. xiii. pi. iii. fig. 3 ; of the other specimen 

 the pelvic fin is noticed, ibid. p. 48. Purchased, 1851. 



24839. Imperfect large fish, showing axial skeleton. 



Purchased, 1850. 



P. 704, P. 2076. Fragment of abdominal region of a large fish, and 

 a slab with remains of three individuals, associated with 

 Holoptychius jlemingi. Egerton Coll. 



Phaneropleuron curtum, Whiteaves. 



1880. Phaneropleuron curtum, J. F. Whiteaves, Canadian ISat. n. s. 



vol. x. p. 29. 

 1887. Phaneropleuron curtum, J. F. "Whiteaves, Trans. Roy. Soc. 



Canada, vol. iv. sect. iv. p. 108, pi. x. fig. 2. 



1889. Phaneropleuron curtum, J. F, Whiteaves, ibid. vol. vi. sect, iv 

 p. 91, pi. v. fig. 3, pi. x. fig. 1. 



1890. Phaneropleuron curtum, O. Jaekel, Sitzungsb. Ges. naturf. 

 Freunde, p. 2, woodcut of upper dental plate. 



Type. Nearly complete fish ; Geological Survey of Canada. 

 Ottawa. 



Trunk scarcely more than twice as long as deep, less than four 

 times as long as the head with the opercular apparatus ; tail acutely 

 pointed. Scales thicker than in the type species. 



Form. <$f Log. Upper Devonian : Scaumenac Bay, P.Q., Canada. 



P. 5485-6. Imperfect fish, 0-215 in length, preserved in counter- 

 part. Purchased, 1888. 



P. 5487. Imperfect fish, - 2 in length, displaying some of the head- 

 bones and impressions of teeth, but wanting the paired 

 fins. Purchased, 1888. 



P. 5488. Trunk of a very small individual. Purchased, 1888. 



The specimen mentioned below is not generic-ally determinable, 

 but may be referred to Phaneropleuron with much probability of 

 correctness. 



