226 The Philippine Journal of Science 1922 
10. Turris garnonsi Reeve; X 1. Locality 3x. . 
11. Turris deshayesi (Doumet); x %. Locality 2x. 
12a. Turris carinata woodwardi K. Martin; X 1. Locality 3x. 
12b. Turris carinata woodwardi K. Martin; x 5%. Locality 2x. This is 
a mature form whose body whorl is more robust than that of the 
immature individual shown as fig. 12a. 
18. Turris marmora (Lamarck); xX %. Locality 4x. 
14. Terebra bicincta K. Martin; x 4. Locality 2x. This species is 
probably characteristic of the Vigo group. 
15. Terebra javana K. Martin; x 4. Locality 2x. This is an extinct 
Vigo form. 
16. Triton pfeifferianum Reeve; X 1. Locality 2x. 
17. Turbo (2?) sp.; X 2. Locality 4x. 
18. Tubonilla sp.; x %. Locality 2x. 
PLATE 6. Vico Group, MIOCENE 
. la. Vicarya callosa Jenkins; x %. Bureau of Science locality F17. 
Tunnel No. 14, Sibuguey Peninsula, Mindanao; collector, F. A. 
Dalburg. This “finger post” of the Malayan Miocene is found 
at numerous localities in the Philippines, and as a rule the 
strata containing specimens are associated with the coal seams 
or lignitic strata. 
1b. Vicarya callosa Jenkins; x 4%. Bureau of Science locality 7. Gray 
shale overlying the East Batan coal seam in the Perseverancia 
claim, Batan Island; collector, F. A. Dalburg. This picture 
illustrates the size and peculiar character of the callosity as 
developed upon a mature specimen. 
1c. Vicarya callosa Jenkins; x 4% Bureau of Science locality 7. 
Showing spire whorls of a mature specimen. 
2. Voluta innexa Reeve; x 3%. Bureau of Science locality 272, Cebu. 
8. Arca ferruginea Reeve; X %. Locality 4x. 
4, Arca granosa Linnzus; < %. Locality 3x. 
5. Arca tenebrica Reeve; X 2. Locality 5x. 
6. Arca sp.; X 2. Locality 2x. 
7. Cardium elongatum Bruguiere; X %. Locality 11x. 
8a. Cardium unicolor Sowerby; x %. Locality 11x. 
8b. Cardium unicolor Sowerby; x %. Locality 11x. 
9a. Cardium donaciformis Cuming; < %. Locality 2x. 
9b. Cardium donaciformis Cuming; x 4%. Locality 2x. 
10. Cardita antiquata Linneus; x %. Locality 11x. 
11. Corbula socialis K. Martin; x %. Locality 3x. 
12a. Corbula sp.; X %. Locality 3x. 
12b. Corbula sp.; x 4. Locality 8x. 
18a. Corbula scaphoides Hinds; x %. Locality 3x. View of right valve 
of small specimen. 
13b. Corbula scaphoides Hinds; x 4. Locality 3x. View of left valve, 
which is much smaller than right. 
14. Dosinia cretacea Philippi; x %. Locality 9x. Dumalog Creek, 
Bondoc Peninsula, Tayabas Province, Luzon. 
15a. Glycimeris viteus (Lamarck) ; X 5. Locality 11x. View showing 
hinge. 
-15b. Glycimeris viteus (Lamarck); x 8. Locality 11x. 
