FAUNAL SUMMARY. 



711 



632. Drillia incilifera, M, a 

 *6s3. D. ebenina, b 

 634. D. limatula, M, a 

 6^6. Mangilia parva, M, a 

 638. Conus diluvianus, M, a 



642. Actaeon shilohensis, a 



643. A. ovoides, M, a 

 652. Volvula iota, M, a 



656. Cylichna calvertensis, M, a 



682. Vorticifex binneyi, c 



683. V. tryoni, c 



692. Planorbis lunatus, d 

 700. Helix leidyi, c 



Annelida. 

 II. Spirorbis calvertensis, M, a 



OSTRACODA. 



127. Cy there clarkana, M, a 



128. C. exanthemata, M, a 



129. C. evax, M, a 



130. C. cornuta var. americana, M, a 



131. C. alaris, M, a 



132. C. vaughani, M, a 



134. Cytheridea subovata, M, a 



135. Cytheropteron nodosum, M, a 



CiRRIPEDIA. 



*ii. Balanus concavus, M, a, b, d 



Malacostraca. 



42. Loxorhynchus grande, U, d 



43. Cancer fissus, XJ, d 



47. Archaeoplax signifera, a 



Insecta. 

 Cistelites minor, e 

 C. punctulatus, e 

 Tenebrio primigenius, d 

 Galerucella picea, d 

 Trox oustaleti, d 

 Buprestis, 3 species, d 

 Cercyon ? terrigena, d 

 Hydrophilites naujatensis, e 

 Nebria paleomelas, d 

 Carabites feildenianus, e 



ECHINOIDEA. 



28. Scutella alberti, M, a 



29. S. fairbanksi, L, d 



52. Echinocardium orthonotum, M, a 



Pliocenic Faunas. 

 The following provinces are recognized : 



(a) Atlantic. 



(b) Gulf coast. 



(c) Interior continental. 



(d) Pacific. 



Brachiopoda. 

 *52. Discinisca lugubris, a 



Pelecypoda. 



*283. Ostrea trigonalis, b 



37:i. Pecten stearnsii, d 



387. P. healeyi, d 



*54i. Diplodonta acclinis, a, b 



549. Cardium meekianum, d 



*559' Venus mercenaria, a 



*575- Tellina declivis, b 



*578. Semele carinata, a 



*6o2. Saxicava arctica, b, d 



Gastropoda. 



*330. Tinostoma milium, b 



*33i. Adeorbis supranitidus, L, a 



"^332. A. concavus, a, b 



*348. Turbonilla nivea, a 



"^362. Crepidula plana, a 



*3^3' C. fornicata, a, b 



"^367. Crucibulum auricula, a 



*382. Lunatia heros, a 



*383. Neverita duplicata, a 



*394. Rissoina laevigata, L, b 



*395' R' decussata, L, b 



*398. Xenophora conchyliophora, a 



