FAUNAL SUMMARY. 



709 



Stenovelia nigra, b 

 I.ygaeus obsolescens, b 

 Trapezonotus exterminatus, 

 Linnaea evoluta, b 

 Lithocromus gardneri, b 

 Heeria gulosa, b 

 H. lapidosa, b 

 Eotingis antennata, b 

 Procydnus divexus, b 

 Corixa immersa, b 

 Planocephalus aselloides, b 

 Schizoneuroides scudderi, b 



Florissantia elegans, b 

 Fulgora obticescens, b 

 Aphana atava, b 

 Delphax senilis, b 

 Cicada grandiosa, b 

 Petrolystra gigantea, b 



ECHINOIDEA. 



*26. Diplothecanthus reticulatus, 



*2y. Periarchus lyelli, L, a 



33. Mortonia quinquefaria, L, a 



34. M. rogersi, L, a 



51. Maretia ruspatangus, a 



MiocENic Faunas. 

 The following provinces are recognized : 

 (a) Atlantic. 

 {b) Gulf coast, 

 (c} Interior continental. 

 {d) Pacific. 

 {e) Greenland. 



FORAMINIFERA. 



*2. Cristellaria cultrata, a 



*6. Nodosaria communis, a, d 



*9. Orbulina universa, d 



*io. Globigerina bulloides, a, d 



*ii. Anomalina ammonoides, d 



*i2. Truncatulina lobatula, a, d 



Anthozoa. 

 134. Septastrsea marylandica, M, a 

 141. Astrohelia palmata, M, a 



Bryozoa. 

 169. Heteropora tortilis, a 

 174. Membranipora oblongula, a 



176, Adeonellopsis umbilicata, a 



177. Schizoporella informata, a 



Brachiopoda. 

 *52. Discinisca lugubris, a 



Pelecypoda. 

 *282. Ostrea compressirostra, M, a, b 



381. 



382. 



383. 



384. 



385. 



386. 

 *396. 



434. 

 *5i4- 

 *S4i. 



554- 



558. 

 *559. 

 *575. 

 *578. 



579. 



580. 



586. 



*602. 



O. percrassa, M, a, b 

 Pecten madisonius, M, 

 P. jefifersonius, M, a 

 P. magnolia, L, d 

 P. marylandicus, M, a 

 P. estrellanus, d 

 P. fucanus, d 

 P. mortoni, M, a 

 Mytilus conradinus, M, 

 Chama congregata, M, 

 Diplodonta acclinis, M, 

 Isocardia fraterna, M, 

 dementia inoceriform 

 Venus mercenaria, M, 

 Tellina declivis, M, a 

 Semele carinata, M, a 

 S. subovata, M, a 

 Cumingia medialis, M, 

 Mactra clathrodon, M, 

 Saxicava arctica, M, a 



a, b 



s, M, 



*283. O. trigonalis, M, a 



SCAPHOPODA. 



11. Dentalium attenuatum, M, a 



12. D. caduloide, M, a 

 15. Cadulus thallus, M, a 



