. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. Puiicturella cooperi Dall. It is strange that neither Arnold nor Clark have recorded this species from the San Pedro de- posits, as it was found to be abundant in the lower part of the section we worked. Several hundred specimens are preserved in the Los Angeles Museum and others in the Burch and Airs. E. M. Clark collections. P. cucuUata (Gould) was considerably less plentiful, and only three specimens of P. galeata (Gould) were found. Puncturella dclosi Arnold. Three specimens of this specie
. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. Puiicturella cooperi Dall. It is strange that neither Arnold nor Clark have recorded this species from the San Pedro de- posits, as it was found to be abundant in the lower part of the section we worked. Several hundred specimens are preserved in the Los Angeles Museum and others in the Burch and Airs. E. M. Clark collections. P. cucuUata (Gould) was considerably less plentiful, and only three specimens of P. galeata (Gould) were found. Puncturella dclosi Arnold. Three specimens of this species, previously known only from the Santa Barbara Pliocene, were secured by the writer. Dr. Ball's unfigured Recent species, P. carophylla (Nautilus, 28. 1914. p. 63), should be compared with this. Epitoniiim catalinae Dall. Epitonium sawinae Dall. A few specimens of each of these two Epitoniums were found. Ischnochitou trifidns Carpenter. One tail valve in Burch collection. Mopalia imporcata Carpenter. Three head valves and two median valvevs in Museum PLATE 25 Leptothyra subobsoleta Willett. Type, enlarged x 3V2. «4. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Southern California Academy of Sciences. Los Angeles, Calif. : The Academy
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