﻿noLOPTYCniTD-io. 339 



35995. Tooth wanting base, and fragment ; Scat Craig, near Elgin. 



Purchased, 1861. 



43454 . Six imperfect abraded teeth ; Russia. 



Presented by Kenneth Murchison, Esq., 1872. 



41092. Thirty similar specimens ; Dorpat, Livonia. 



Purchased, 1868. 



P. 4489. Fragment of Holoptychian mandible showing an internal 

 dentary bone with parts of the bases of two teeth ; Eiver 

 Ssjass, Govt, of St. Petersburg, Russia. The ornamented 

 principal dentary, with a marginal series of small teeth, is 

 also seen. Purchased, 1884. 



Dendrodus strigatus, Owen. 



1841. Dendrodus strigatus, R. Owen, Microscopic Journal, vol. i. p. 17, 



woodc. fig. 1. 

 1841. Dendrodus sigmoideus, R. Owen, ibid. p. 17, woodc. fig. 2. 

 1841. Dendrodus strigatus, R. Owen, Odontogr. p. 175. 

 1844. Dendrodus strigatus, L. Agassiz, Poiss. Foss. V. G. R. pp. 61, 



80, 143, pi. 0. figs. 10, 20-22, pi. xxviii. a. figs. 1, 2. 

 (?) 1844. Dendrodus sigmoideus, L. Agassiz, ibid. pp. 61, 82, 143, 



pi. xxviii. fig. 3, pi. xxviii. a. figs. 3-5. 

 (?) 1844. Dendrodus strigatus, L. Agassiz, Poiss. Foss. vol. ii. pt. ii. 



p. 105, pi. lv. a. figs. 19, 20. 

 1860. Dendrodus strigatus, C. H. Pander, Saurodipt., Dendrodont. &c, 



devon. Syst. p. 53, pi. x. figs. 15, 16. 

 1860. Dendrodus sigmoides, 0. H. Pander, ibid. p. 54, pi. x. fig. 19 



(?fig.20). 



Type. Imperfect tooth. 



Teeth much elongated, often sigmoidally curved, round in section, 

 with a pair of inconspicuous longitudinal keels in the upper 

 portion. 



The Russian specimens commonly assigned to this " species " are 

 more robust than those from the typical Scottish locality. 



Form. Sf Loc. Upper Old Red Sandstone : Scat Craig, near Elgin. 

 Devonian : N.W. Russia. 



35996. Five imperfect typical teeth ; Scat Craig. Purchased, 1861. 



P. 5097. Typical tooth ; Scat Craig. 



Presented by John Edward Lee, Esq., 1885. 



43454 a. Three imperfect robust teeth ; Riga. 



Presented by Kenneth Murchison, Esq., 1872. 



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