Priton;Montf. <<: . 11 
(ritonella, A. Ad: JL 
Tritonia, Cuvier. II 
Tritonia, Lamarck. igh 
Tritoniade. . rigs |: 
Tritonidea, Swainson. IT 
Tritonide. II 
Tritonium, Fabr. Gi 
Tritonium, Link. I] 
Tritonofusus, Beck. II 
Tritonopsis, Conrad. II 
Triumphalia, Sowb. III 
Triumphis, Gray. It 
Trivea, Swainson. . II 
Trivia, Gray. . Tt 
Trochactzeon, Meek. II 
Trochacteonina, Meek.IT 
Trochalia, Sharpe.. II 
Trochatella, Swainson. If 
Trochella, Gray. II 
Trochella, M’Coy.. II 
Trochia, Swainson. Te 
Trochide. ~. - tL 
Trochilina, Gray. liu 
Proehiseus,. Held... ET 
73 66 i Ill 
Trochiscus, Sowerby. II 
Trochita, Schum. aia 
Trochoceras, Barr.. II 
Trochochlea, Klein. IT 
Trochocirrus, Ryck. II 
Trochodon, Seeley. II 
Trocholites, Emmons. IT 
Trochomorpha, Aib. IIT 
73 66 ag 
Trochonanina, Mouss.II1 
Trochonema, Salter. II 
Trochonemopsis, Meek.II 
Trochotoma, Lycett. 
Trochotremaria, Ryck. II 
Trochovitrina, Mart. III 
Trochus, Linn. i 
Trophidiscus, Stein. III 
Trophon, Montf. . II 
Tropidina, H. & A. Ad.II 
Tropidocardium, Rr. III 
10 el 
. INDEX. 
PAGE 
121 | Tropidoceras, Hyatt. II 
158 | Tropidoecyclus, Kon. II 
381 | Tropidodiscus, Meek. II 
376 | Tropidoleptus, Hall. IIT 
381 | Tropidophora, Trosch. IT 
143 | Tropiphora. LY 
121 | Tropites, Mojs. . II 
144 | Troschelia, Mch. II 
Bie) Pruella Pease, 2... TU 
137 | Truncaria, Ad. & Rve. II 
124 | Truncatella, Risso. it 
127 | Truncatellide. hal 
129 | Truncatellina, Lowe. III 
198 | Truncilla, Rafinesque. III 
198 Tryblidium, Linds. II 
356 | Tryonia, Stimpson. IT 
355 | Trypanostoma, Lea. II 
239 | Tuba, Lea. II 
291 | Tubicanthus, Swains. II 
211 5 se II 
313 | Tubicolide. III 
Iii | Tubifer, Piette... II 
308 | Tubina, Barrande.. II 
212 | Tubiola, A. Adams. II 
24 | Tubulites, Davilla.. II 
39 | Tubulostium, Stol. Pe 
315 | Tuceta, Bolten. . RE 
211 | Tudicla, Bolten. II 
57 | Tudora, Gray. Il 
313 | Tugalia, Gray. II 
218 | Tugonia, Gray. . Til 
321 | Tugurium, Fischer. II 
56 | Tuliparia, Swains.. II 
26 | Tulotoma, Hald. TE 
a0.) Turbina, Koninck... If 
26 | Turbinella, Lamarck. II 
309 | Turbinellide. a 
309 | Turbinellina, Kon.. II 
320 | Turbinide. ve 4 
319 | Turbinopsis, Conrad. II 
20 | Turbo, Linn. . lig 
309 | Turboidea, Seeley... II 
106 | Turbonilla, Risso. . II 
107 | Turbonillide. II 
273  Turbonillopsis, Kon. II 
192 | Turbonitella, Kon.. II 
