J 
* ft- « ^^^'PTERASPIDJB. 
^ /it ■*■ fi. « ^ /< 
*r 
^C*--t*vj »« «•»< 
j ✓**? 
173 
inner aspect; and parts of the ornamented external sur¬ 
face are also seen in impression. The pineal pit and the 
pair of >-shaped depressions on the inner face of the 
shield immediately behind are conspicuous. "/ 
Presented by Sir Richard Owen, K.C.B. , 1884. 
The following species of Cyathaspis have also been described, but 
there are no examples in the Collection :— 
Cyathaspis acadica: Pteraspis acadica , G. F. Matthew, Canadian 
, Record of Science, vol. ii. (1886), p. 251 : Diplaspis 
acadica, G. F. Matthew, Bull. Nat. Hist. Soc. New Bruns¬ 
wick, no. vi. (1887), p. 69, woodc., and Trans. Roy. Soc. 
Canada, vol. vi. sect. iv. (1888), p. 49, pi. iv. figs. 1-4.— 
Upper Silurian (Division 2); Westfield, New Brunswick. 
[The type species of Diplaspis. 
Cyathaspis integer, A. Kunth, Zeitschr. deutsch. geol. Ges. vol. xxiv. 
^ (1872), p. 7, pi. i.-figs. 1-6; Jentzsch, ibid. vol. xxxi. 
(1879), p. 793; F. Roemer, Palaeont. Abhandl. vol. ii. 
^ ^ (1885), p. 378, pi. xxxiii. fig. 1.—Upper Silurian (erratic 
p.P’ , block) ; Schoneberg, near Berlin, and Bromberg. [Berlin 
University Museum.] 
n 
-Ci 
\YfCyaRTaspis schmidti, F. ETGeinitz, Zeitschr. deutsch. ^oT. (jles. ** J ^ ^ 
C vol. xxxvi. (1884), p. 857, pi. xxx.; F. Roemer, Pakeont. - , , 
Abhandl. vol. ii. /1885k r). 379.— TTrmpr SilnriartU otA - 
Abhandl. vol. ii. (1885), p. 379.—Upper Silurian/; 
Rostock. [Rostock University Museum.] [? Palceaspis.] 
Cyathaspis sturi , A. von Alth, Abhandl. k. k. geol. Reichsanst_ Xajc 
/&U vol. vii. no. 1 (1874), p. 46, pi. v. figs. 1-3.—Upper Silu- 
rt rian ; between Doroschoutz and Wasileu, on the Dniester, 
Galicia. [Dorsal shield; Imperial Geol. Survey, Vienna.] 
(1) Cyathaspis symondsi,' E. R. Lankester, Rep. Brit. Assoc. 1864,? 
Tr > ans - Sect * P* and Fishes Old Red Sandst. pt. i. (Pal. 
* Soc. 1868), p. 27, pi. vi. fig. 5.—Lowe^Ol^HtetFSandsfone | 
r 
(Cornstones) ; Herefordshire. [Internal cast of dorsal ; 
p-dc 
So“ 
J T 
shield ; Museum of Practical Geology.] Aa%»n<h 
To ''Cyathaspis may also probably be referred the ventral shields 
described as follows:— “ 
Scaphaspis ludensis, E. R. Lankester; Fishes Old Red Sandst. pt. i. pf. v/ *« 
(Pal. Soc. 1868), p. 25, pi. ii. fig. 4 : Pteraspis ludensis, J. * 
W. Salter, Ann. Mag. Nat. Hist. [3] vol. iv. (1859), p. 45, 
wo^dc. fig. 1.—Lower Ludlow; Church Hill, Leintwardine. 
Upper Ludlow; near Ludlow. [Shield ; Mus. Pract. 
Geol.] 
/kX / t Z ^ t /O' ' 
cX, ^ ***** , o 7 t 6 
n,y. ^- p %r it * 
