PLATE LVII. 189 
BotsFrorpdIA GRANULATA (Redlich)—Continued. 
Fieure 4h. Partly exfoliated ventral valve, showing the impression of the main vascular sinuses on the inner layers 
of the shell. U.S. Nat. Mus. Cat. No. 52046h. 
4i. Cast of interior of a small ventral valve. U.S. Nat. Mus. Cat. No. 520461. 
4}. Cast of interior of a dorsal valve. U.S. Nat. Mus. Cat. No. 52046). 
4k. Interior of a small dorsal valve. U.S. Nat. Mus. Cat. No. 52046k. 
41. Partly exfoliated dorsal valve. U.S. Nat. Mus. Cat. No. 52046 1. 
4m. Interior of a dorsal valve. U.S. Nat. Mus. Cat. No. 52046m. 
4n and 40. Exteriors of dorsal valves, showing variation in outline, as compared with figure 4b, and in small 
tubercles near the apex. U.S. Nat. Mus. Cat. Nos. 52046n and 520460, respectively. 
4p. Interior of a ventral valve. U.S. Nat. Mus. Cat. No. 52046p. 
4q. Exterior of one of the largest ventral valves. U.S. Nat. Mus. Cat. No. 52046q. 
4r. Enlargement of surface to show granulations. U.S. Nat. Mus. Cat. No. 52046r. 
The specimens represented are all from Locality 15r, Middle Cambrian shale at Khussak, Salt Range, India. 
ACROTHELE QUADRILINEATA Pompeckj (p. 655). 
Freure 5. Top and side views of the type specimen, a ventral valve, from Locality 345d, Middle Cambrian shales 
at Skrej, Bohemia. Copied from Pompeckj [1896b, Pl. XIV, figs. 6b and 6c]. 
ACROTHELE PRIM#VA (de Verneuil and Barrande) (p. 654). 
Fiaures 6 and 6’. Top and side views of the type specimen, a ventral valve, from Locality 350, Middle Cambrian 
limestone near Adrados, Cantabrian Mountains, Province of Leon, Spain. Copied from de Verneuil 
and Barrande’s figures [1860, Pl. VIII, figs. 2 and 2a] of Discina (Orbicula) primxva. 
BotsrorpiA? BARRANDEL Walcott (p. 602). 
Ficure 7. Dorsal view of the type specimen, showing apex of ventral valve, from Locality 350, Middle Cambrian 
limestone near Adrados, Cantabrian Mountains, Province of Leon, Spain. 
7a and 7b. Posterior and side views of the specimen represented by figure 7. 
Figures 7, 7a-b are copied from de Verneuil and Barrande’s figures [1860, Pl. VIII, figs. 5, 5a—b] of “ Brachiopode, 
nouy. gen.”’ : 
