THE GKOI.OGIST. 
2-t. Spiri/era hisulcata. Interior of the Ventral Valre ; (the letters refer 
in these figiu'es to the same parts as in ligs. 8 and 9. 
25. . Interior of Dorsal Valve. 24 and 25 are from 
Capel Rig, East Kilbride. 
26. oralis, Phillips. From Corrie Bum; collection of Mr. J. 
Young. The boak has been restored from another specimen. 
27. . Fi-om West Broadstone. These two figures repre- 
sent the original type of Dr. Fleming's Si?, exarata. 
28. pinnuis, Sow. From near Glasgow (?) ; in the Museum of 
Practical Gaology. The exact locality is not preserved, but it is cer- 
tainly a Scottish specimen. 
29. Carhikiensis, Dav. Hill Head, Lanarkshire. Fig. 29, a and d, 
are enlarged. 
30. Urii, Fleming. Hill Head, Lanarkshire. The lower flgui'es 
are enlarged, and 3(Jc shows the spiny investment considerably mag- 
nified. 
31. lineata, Martin. From West Broadstone, near Beith ; fig. 
31b is enlarged, and shows a portion of the spiny surface, which is 
etiU more magnified in 31c. 
82. — — (jJahra, Martin. From East Kilbride, collection of Mr. Arm- 
strong. 
33. . From Middlehohn, near Lesmahago. 
34. . From Orchard-qnariy, collection of Mr. Bennie. 
35. Spirife'rina insculpta, Phillips. A fi'agment from Gare, Carluke parish, 
35a and b are enlarged restored representatives. Better Scottish 
examples hare been recently found. 
3G. crisinia, var. octoplicata, Sow. From West Lothian. Col- 
lection of Dr. Fleming. 
37' . Lanai-kshire. 
38. . From West Broadstone, Beith ; collection of Mr. 
Thompson. 
Plate I., Vol. III. 
1. Rhynchonella pugnns, Martin. From the Campsie main Umestone. 
Collection of Mr. Young. 
2. . From Hyndberry Bank, parish of Loudon. Col- 
lection of Mr. Thompson. 
3. pleurodon, Phillips. Corrie Burn ; collection of Mr. Young. 
4. . West Lothian ; collection of Dr. Fleming. 
5. . Capel Eig ; collection of Mr. Armstrong. 
6. Camarophoria crumena, Maiiin sp. From West Lothian ; collection of 
Dr. Fleming. 
7. Orthis Miclielini, L'Eveille. From Campsie. 
8. . Enlarged fragment of the striated external surface, 
showing the position of the spines, M, and the exterior orifices of the 
tubular perforations which traverse the thickness of the shell. 
9. . Intei'ior of the venti'al valve, enlai-ged ; A, occlusor ; 
B, divaricator, and perhaps ventral adjuster muscular impressions ; 
N, pedicle scar (?) ; T, teeth. 
10. . Interior of the dorsal valve ; J, cardinal process ; 
S, dental sockets ; L, oral processes (?) ; A A, occlusor impreesions. 
11. resupinata, Martin. From Robroj-ston ; collection of Mr. Young. 
Much larger examples are found in A}Tshu'e. 
12. . Enlarged fi-agment of the striated, spinose, and 
punctured surface. 
13. . Interior of the ventral valve. 
14. . Interior of the dorsal valve. 
