TERTIARY AND QUATERNARY PALEON'OLOGY, NORTHEASTERN FLORIDA 41

 Two species from this locality, Ostrea equestris Say, and Donax variabilis Say, are believed to be exclusively post-Pliocene and Recent.

5003.-In a ditch 4 miles west of Eau Gallie. (See Matson, G. C., and
 Clapp, F. G., 2nd Ann. Rep't Fla. Geol. Surv., 1909, p. 151 for
 list.
 Geologic horizon given in original report: Pleistocene.
 Geologic horizon believed to be in this report: Pleistocene.
 Four species, Petricola pholadiformis Lam., Donax variabilis Say, Drillia thea Dall, and Transennella stimpsoni Dall reported T. caloosana Dall-are believed to be exclusively post-Pliocene.
 Two species, Arca lirnula var. platyura Dall (one valve), and Corbula caloosae Dall (one valve) appear to be exclusively Pliocene.

4837.-Two miles southeast of Eau Gallie, on peninsula south of point
 of Merritt's Island. (See Matson, G. C., and Clapp, F. G., 2nd Ann. Rep't of Fla. Geol. Survey, 1909, p. 151, for list of fossils.)
 Geologic horizon given in original report: Pleistocene.
 Geologic horizon believed to be in this report: Late Pleistocene.
 All species are represented in the recent fauna and one species, Donax variabilis Say, appears to be exclusively post-Pliocene and Recent.
 NEW LISTS OF SPECIES VROM.TWO LOCALITIES

 5012.-Seven miles west of Titusville, Brevard Co., Fla.: Glycymeris pectinata Gmel. (?) (yo.). Venericardia tridentata Say.
Codakia speciosa Rogers.
Phacoides multilineatus T. and H. Donax variabilis Say.
Mulinia lateralis Say.
 Geologic horizon: Pleistocene.
 The larger part of the collection consists of Donax variabilis Say.

5017.-Near Michaels marlpit, one mile south of point, Daytona, Volusia
 Co., Fla., collected by G. C. Matson, 1908. Acteocina canaliculata (Say).
Olivella mutica (Say).
Alectrion acuta (Say).
Odostomia (Chrysallida) sp. A.
Bittium varium Pfeiffer.