OSTEOLEPIDIE. 
377 
39183. Caudal region and hinder half of abdominal region of a 
similar fish. Purchased , 1865. 
P. 831. Portion of squamation of a very large individual, showing 
the inner rib of the flank-scales. Egerton Coll. 
(ii.) Caithness. 
P. 6283. Imperfect head and trunk, 0*32 in length. 
P. 821 a. Plaster cast of cranial shield figured in Miller’s ‘Foot¬ 
prints,’ p. 58, fig. 17; Thurso. Egerton Coll. 
—{ 33164) 33168. Two examples of fronto-ethmoidal shield; Thurso. 
Purchased , 1857. 
33171. Mandibular ramus ; Holburn Head. 
Purchased , 1857. 
(iii.) Lethen Par (D. macrocephalus). 
P. 551. Counterpart of one of the type specimens of D. macro¬ 
cephalus, figured by Agassiz, op. cit . pi. xvi. fig. 3. 
Egerton Coll. 
50101. Greater portion of a fine large specimen, in counterpart, 
showing the remains of two very large teeth in the man¬ 
dible within the outer small series. The lobation of the 
pelvic fins and the form of the caudal fin are also well 
displayed. Purchased , 1879. 
(iv.) Tynet Burn. 
36008. Imperfectly preserved fish, 0*39 in length. 
Purchased , 1861. 
43012. Smaller fish, showing scattered bones of head and opercular 
* 2 apparatus. Purchased , 1871. 
43280. Much crushed similar fish, showing portions of all fins 
except the pectorals. Purchased , 1871. 
36180. Tail of small fish, with median fins. 
Purchased , 1861. 
(v.) Gamrie (D. affinis). 
P. 4048. Vertically crushed large specimen, in counterpart, about 
0*5 in length. Several bones of the head and opercular 
apparatus are displayed, and there are more or less well- 
preserved remains of all the fins. Purchased, 1883. 
