DISTR1BUTION, SYSTEMATIC. 
Brack. 7 
Cambro-Silurian :—Lists of Brachiopoda from Lake Temiscaming, Lake 
Nipissing, and Mattawa outliers; Ami (1). 
Cambrian :—Mobergia granulcita, n. g. and n. sp., and two n. spp. of 
Lingulella from the Eastern Salt-Range ; Redlich (32 ).—Obolella gavnagei , 
n. sp. from the Middle Cambrian, East Braintree, Mass.; Hobbs (19).—On 
Obolus and Lingulella , with n. spp. from N. America; Walcott (47). 
III. SYSTEMATIC. 
Classification of Brachiopoda from a palaeontological standpoint; Zittel 
(52). 
‘ Convergenzerscheinungen ’ in fossil Brachiopods; Semper (40). 
f Craniidce; Huene, N. Jahrb. Min. 1899, i, pp. 138-151. 
t Cp'tinopsis, n. g. for Spirifer undosus, Schnur and C. pseudoaculeata , 
n. sp. ; Scupin, op. cit. 1896, ii, p. 247. 
\ Eleutherocrania , n. g. for E. gibberosa, n. sp., Lower Silurian, Russia; 
Huene, op. cit. 1899, i, p. 146, fig. 
f Mobergia, n. g. for M. granulata , n. sp., from the Cambrian, Eastern 
Salt-Range, India; Redlich (32), p. 5, figg. 
•[Obolus and its subgenus Lingulella , with n. spp.; Walcott, P. U. S. 
Mus. xxi, p. 385. 
t Pseudometoptoma, n. g., type Metoptoma siluricum Eichw., Lower Silurian ; 
Huene, N. Jahrb. Min. 1899, i, p. 145, fig. 
+ Spirifer primcevus, the group of; Scupin (37). 
iTegulifera , n. g. for T. deformis , n. sp., from the Permo-Carboniferous of 
the Eastern Alps; Schellwien (36), pp. 362 & 363, figg. 
Thecidea maxilla , Funafuti; Hedley, Mem. Austral. Mus. iii, p. 508, 
fig.: n. sp. 
Q 19 
1899. [VOL. XXXVI.] 
