248 
SIRENOIDEI, 
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 a. Large imperfect fish, figured by Huxle}% 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 
Holopty chins jlemincgi. ' Egerton Coll. 
Phaneroplenron curtum ? Whiteaves. 
**—y J ifus*., 
1880, Phaneropleuron curium, J. F, Whiteaves, Canadian Nat. K & 
vol. x. p. 29. 
1887. Phaneropleuron curtum, J. F. Whiteaves, Trans. Hoy. 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, ptr-XT-fi-gTrL. C fW- —V ^ 
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. Seales thicker than in the type species. 
Form. Loc. 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, 0*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 generically determinable, 
but may be referred to Phaneropleuron with much probability of 
correctness. 
