— RUE — 
Michel. [Pus- 
Cenom. 47 
semiclausa (Inversaria) 
tulopora.] |Melicertites.] 
semicostata (Pseudoliva) Desh. 99 
semicostatum (Buccinum) Brocc. 99 
semicostatum (Buccinum) Desh. 99 
semireticulatus (Productus) Martin. 30 
semistriata (Terebratula) Def. Neocom. 19 
serrata (Bifrontia) Desh. 43 
Siemiradzkia gracilis |]. 
nites.]| Bath. 38 
Solarium disjunctum  Lamk. [ Homolaxis.] 42 
Solarium laudunensis Def. [Homolaxis.| 
Eoc. 41 
Mioc. moy. 97 
Def. [Gervillia.] 
Campan. 95 
Buck. [Ammo- 
solarium (Pecten) Lamk. 
solenoides (Gervilleia) 
solenoïdes (Gervilliopsis) Def. 95 
Sonninia Sowerbii Miller. [Ammonites.]| 
Bajoc. 52 
sonora (Ostrea) Def. — var. de O. edu- 
lis Linné. Plioc. 98 
Sowerbii (Sonninia) Miller. [Ammonites.] 
Bajoc. 52 
Spirifer Venus d'Orb. Coblentz. 13 
Spirigera undata Def. 12 
squamata (Chama) Desh. 70 
squamatina (Cardita) Desh. 48 
Squamosa (Fissurella) Desh. 84 
squamosus (Calliostoma) Def. [Trochus.] 
— C. Brasili Cos.et Pis. Eoc. moy. 100 
sublamellata (Dentilucina orbicularis 
Desh. var.). 86 
subpolita (Schlotheimia) S. S. Buck. — 
Ammonites lacunatus J. Buck. pro parte 
[Schlotheimia.] Low. Lias 78 
Stokesii (Diphyphyllum) Miln-Ed. et Haine, 29 
striata (Crania) Def. — Cr. ignabergen- 
sis Retzius. Sénon. 22 
striatum (Aegoceras) Reinecke. 67 
Strigatella Branderi Def. [Mitra.] 
Eoc. moy. 80 
Strigatella parisiensis Desh. 80 
tabula (Gradilucina) 
tabula (Lucina) 
Deshaves. 76 
Deshayes. 76 
Tectus altavillensis Def. [Trochus.] 
Lutet. 90 
Tectus tiara Def. [Trochus.] Eoc. 18 
terebra (Turritella) Lin. 46 
telinga (Neoptychites) Stol. [Ammonites.] 5 
Terebratula clavata Def. 20 
Terebratula distincta Def. 19 
Terebratula flabellum Def. [Eudesia.] 
Bath. sup. 44 
Terebratula palmetta Def. 14 
Strombus canalis Rom. Coqueb. et Al. 
Brong. [Ectinochilus.| Lutét. moy. 81 
Strombus fissura Coq. et Brong. | Rostel- 
laria.] Lutét. Bart. 85 
subcarinata (Crepidula) Sacco. 83 
subcarinata (Turritella) Lamk. 88 
subcostaria (Fissurella) d’'Orb. 84 
subemarginata (Eulima) Desh. 41 
Subemarginula Defrancei Coss. — 
Emarginula elongata Coss. non Def. 
34, 40 
Subemarginula elegans Def. [Emar- 
ginula.| Lutet. 40 
Coss. non Def. — 
Lamk. [Subemarginula.] 
40 
Def. [Emargi- 
Lamk. [Em.] 
Lulét. 34, 40 
Subemarginula radiola Lamk.[Emar- 
ginula.] — Emarginula elongata Def. 
Lutét. 34 
Subemarginula radiola  Lamk. [Emarginula.] 
— Subemarginula elegans Coss. non Def. 
40 
Subularia errouea  Coss. [Eulima.] — Mela- 
nia distorta Desh. non Def. [Eulima.] 41 
subpensilvanica (Lucina) d’Orb. 86 
subrotunda (Schlotheimia) S.S. Buck. — 
Ammonites miscellus Oppel. [Schlo- 
theimia.| Siném. 39 
subsinuata (Ostrea) Leym. 10 
subsquamata {Chama) d’Orb. 70 
Subularia erronea Cossm. [Eulima.] — Mela- 
nia distorta Desh. non Def. [Eulima.] 41 
sulcata (Lucina) Lamk. 49 
sulcata [Schlotheimia] J. Buck. [Ammo- 
nites.] Siném. 39, 78 
sulcosa (Cypræa) Lamk. 82 
Synhomalonotus Aragoi Rouault. [Calymene.] 1 
Synhomalonotus Tristani Brong.[Caly- 
mene.| Ordov. À 
Subemarginula elegans 
Emarginula radiola 
Subemarginula elongata 
nula.] — Sub. radiola 
Terebratula recurva 
mus elegans Kôünig. 
Terebratula recurvirostris 
Terebratula semistriata 
Def. — Trigonose- 
Senon. 20 
de Gerv. 20 
Def. 
Neéocom. 19 
Def. [Athyris.] 
Coblentz. 12 
Terebratule chevillée Def, 20 
Terebratule éventail Def, 14 
Thomii Cyathophylloides) Hall. [Colum- 
naria.]| Low. Silur. 29 
tiara (Tectus) Def. [Trochus.] Æoc. 18 
Terebratula undata 
