INDEX, 



Acrotreta gemma, 216. 

 ^Agno3tua Americanus, 395. 



" Canadensis, 397. 



" Fabius, 298. 



" Galba, 297. 



" Orion, 397. 

 Amphion Barrandei, 288. 



" Canadensis, 288. 



" convexus, 322. 



" Julius, 290. 



" Insularis, 290. 



" Salter!, 352. 



" Westoni, 321. 

 Amplexus cingulatus, 106. 

 Ampyx Halli, 24. 



" laeviusculus, 295. 



" normalia, 295. 



" Rutilius, 296. 



" seraicostatus, 297. 

 Archeocyathus Atlanticus, 5. 



" Minganensis, 354. 



" profundus, 4. 

 Arionellus cylindrieus, 406. 



" subclavatus, 406. 

 Arthroclema pulciella, 54. 

 Asaphus canalis, 270, 352. 



" curiosus, 318. 



" goniurus, 415. 



" Huttoni, 271. 



" Illeenoides, 414. 



" Morrisii, 272. 



" Pelops, 317. 



" quadraticaudatus, 272. 

 Ascoceras Newberryi, 164. 

 Astylospongia parvula, 20. 

 Athyris Anticostiensis, 147. 



" borealis, 147. 



" Headi, 147. 



" Julia, 146. 



" Prinstana, 145. 



" umbonata, 144. 

 Avicula Hermione, 40. 

 Bathyurus amplimarginatus, 362. 



" arcuatus, 205. 



" armatus, 411. 



Batbyi 



yurus bituberculatns, 410, 

 " breviceps, 262. 



caudatus, 261. 



capax, 409. 



conicus, 852. 



Cordai, 259, 412. 



Cybele, 352. 



dubius, 410. 



gregarius, 363. 



Minganensis, 353. 



Nero, 260. 



oblongiis, 412. 



parvulus, 16. 



perplexus, 364. 



perspicator, 205. 



quadratns, 412. 



Saffordi, 259, 411. 



senectus, 15. 



Smithii, 56. 



solitarius, 362. 



strenuus, 204. 



Tiraon, 261. 



Tetulus, 360. 

 Bathyurellua abruptus, 2 63, 

 " expansus, 318. 



formosus, 266. 



fraternus, 267. 



litoreus, 320, 



litoreus, 320. 

 marginatus, 264. 

 nitidus. 265. 



lus, 265. 



rarus, 320. 



ralidus, 268. 

 Belleropbon Palinurus, 311. 



" macer, 347. 

 Beyrichia Atlantica, 300. 

 Calathium affine, 209. 



Ansledi, 210, 337. 



Canadense, 377. 



Fittoni, 211. 



formosum, 209. 



pannosum, 335. 



Paradoxicum, 358. 

 Camerella antiquata, 10. 

 " breviplicata, 304. 

 " calcifera, 220. 



