37 2 
CROSSOPTEEYGfll. 
39189. Head-bones and greater portion of squamation; Tliurso. 
Bowerbank Coll. 
43456. Two imperfect specimens on one slab ; Stone Gun. 
Peach Coll. 
42468. Imperfect large fish ; Thurso. Peach Coll. 
P. 5489. Similar specimen, dorsal aspect, showing head and oper¬ 
cular bones; Thurso. Purchased. 
49665-67. Three small specimens, showing the position of the 
fins ; Holburn Head, near Thurso. Purchased, 1879. 
P. 820. Two small specimens ; Thurso. Egerton Coll. 
P. 819. Head and anterior scales, labelled in Hugh Miller’s hand¬ 
writing, thus: "'.first specimen I laid open on visiting 
Wieland-burn, near Thurso, July 1846. . . This minute 
species of Osteoleqhs, varying from three to four inches in 
length, is very abundant at Wieland.” Egerton Coll. 
P. 3299. Portions of small fish ; Thurso. Enniskillen Coll. 
P. 6081. Two specimens, the smaller displaying the trunk and 
portions of fins, the larger showing parts of the head and 
squamation; Thurso. 
Presented by F. Harford, Esq., 1889. 
The supposed species from Russia described as follows are based 
upon insufficient material :— 
Osteoleqns fischeri, E. von Eichwald, Leth. Rossica, vol. i. (1860), 
p. 1554, pi. lvii. fig. 15 : C. H. Pander, Saurodipt., Den- 
drodont. &c. devon. Syst. (1860), p. 7: Megaliclithys 
fischeri , E. von Eichwald, Bull. Soc. Imp. Hat. Moscou, 
vol. xvii. (1844), p. 832, and vol. xix. (1846), pt. ii. p. 309, 
pi. x. fig. 34.—Devonian ; Marjina, R. Slawjanka. [Eron- ^ 
tal region of skull; University of St. Petersburg.] — 
Osteolepis intermedia , E. von Eichwald, Bull. Soc. Imp. Hat. 
Moscou, vol. xvii. (1844), p. 831, and ibid. vol. xix. 
(1846), pt. ii. p. 308, pi. x. figs. 30,31, and Leth. Rossica, 
vol. i. (I 860 ), p. 1553, pi. lvii. fig. 10 ; L. Agassiz, Poiss. 
Loss. Y. G. R. (1845), p. 155.—Devonian ; Marjina, and 
Borowitschi, R. Prikscha. [Scale; University of St. 
Petersburg.] 
