20, 2 Dickerson: Review of Philippine Paleontology 227 
16a. Lucina cf. argentia Reeve; x 2. Locality 11x. This form is semi- 
transparent and the ribbing corresponds to Reeve’s species, but 
the shape is somewhat different. 
16b. Lucina cf. argentia Reeve; x 2. Locality 11x. 
17. Ostrea sp.; x %. Locality 5x. 
PLATE @. VIGO GRouP, MIOCENE 
Fig. 1. Pecten (Pleuronectia) pleuronectia Linneus; x $$. Locality 4x. 
2a. Placuna placenta Linneus; x %. Locality 4x. 
2b. Placuna placenta Linneus; x 3%. Locality 4x. 
8. Paphia textrix Deshayes; x %. Locality 2x. 
4. Spisula sp.; X 2. Locality 11x. 
5. Vermetus javanus (?) K. Martin; x %. Locality 11x. 
PLATE 8. FORAMINIFERA FROM CEBU 
. Alveolinella; x 10. Old Alpaco mines, Cebu; locality F278. 
. Orbitolites; x 10. Locality F273. 
. Operculina costata d’Orbigny; x 10. Minanga River, Cebu, F277. 
. Operculina costata var. tuberculata Douvillé; x 10. Old Alpaco 
mines, Cebu, F273. ° 
5. Cycloclypeus communis Martin; X 10. Minanga River, Cebu, F277. 
6. Heterostegina; x 10. Barrio of Mesaba, Cebu, F272. 
7. Lepidocyclina insulz-natalis Jones and Chapman; x 10. Guila- 
Guila, Cebu, F278. After a slide prepared by Watren D. Smith. 
FIG. 
m CO DOD 
PLATE 9. Vico GROUP, MIOCENE 
Lepidocyclina limestone from Cebu (copied from Yabe). The fossils figured 
were collected at Puting Bato, Cebu, near Cebu City, from limestone. 
Fig. 1b. Lepidocyclina (Eulepidina) formosa Schlumberger. 
le. Lepidocyclina (Eulepidina) gibbosa Yabe. : 
1g. Spiroclypeus cf. margaritatus Schlumberger, in oblique section. 
lh. Cycloclypeus or Heterostegina, in transverse section; X 7. 
2b. Lepidocyclina (Eulepidina) formosa Schlumberger. 
2h. Cycloclypeus or Heterostegina, both in transverse section; xX 15. 
PLATE 10. Vico GROUP, MIOCENE 
Lepidocyclina limestone from Cebu (copied from Yabe). 
Fig. 1b. Lepidocyclina (Eulepidina) formosa Schlumberger. : 
1g. Spiroclypeus ef. margaritatus Schlumberger; x 7. In oblique sec- 
tion. 
2. Lepidocyclina (Eulepidina) monstrosa Yabe; x 7. In tangential 
section. 
8a. Lepidocyclina (Eulepidina) monstrosa Yabe. In tangential section. 
3b. Lepidocyclina (Eulepidina) formosa Schlumberger; x 7. One in 
transverse section through the nucleoconch, and the other in 
almost median section. 
PLATE 11. MALUMBANG FORMATION, PLIOCENE 
All the specimens figured on ‘this plate, except Chione chlorotica, were 
collected from locality 1x, Malumbang formation, Bondoc Peninsula, 
Tayabas Province, Luzon. 
