722 



INDEX ALPHABETIQUE. 



Si'iiJiRiDM, Scopoli, II, 495, ^97, 5oo, 

 C-i3, 626, 639, 644, 645, 

 651. 



— œquatoriale , II, 649. 



— Baliiense, II, 65o. 



— caliciiiatum , II, 65a. 



— corneiim, II, 646, 667. 



— Cubense, II, 65o, 654. 



— Forbesi, II, 649. 



— lacustre, II, 646, 65o. 



— maculatxim , II, 653. 



— méridionale, II, 65o, 654, 675. 



— modioliforme , II, 65o. 



— pai-nilum, II, 654. 



— Portoricense , II, 65 0, 654. 



— rivale, II, 646. 



— ri\icola, II, 645, 646, 647. 



— securis, II, 647, 648. 



— solidulum, II, 65a. 



— solidum, II, 65o. 



— subtransversum, T. Prinie, 



II, 649, 652, 675. 



— Iransversimi, II, 646. 



— triangulare, Say, II, 651. 



— viridaiis, 11, ()5o, 654. 



— Yucatanense, Crosse et Fischer, 



11, 65o, 653, 673. 



SPHENONAIAS, Crosse et Fischer, 

 II, 507, 616. 



SPIRAXIS, C. B. Adams, I, a 3, 585 , 

 604, 607, 699. 



— acus, Slmttlewortb, I, 614. 



— ambigiia, I, 139. 



— auriculacea, I, 55. 



— Barclay i, I, ao. 



— Berendti, PfeifFer, I, 611, 



613. 



— biconica, I, 3a. 



— Blandi, Crosse et Fischer, I, 607, 



616. 



— Boucai'di, I, 43. 



— brevis, 1, 6o4. 



— catenata, I, 63. 



— Cobanensis, I, 5a. 



— coniforrais, I, 43. 



— costiilosa, I, 60 4. 



— costnlosus, I, 61 5. 



— cylindracea, I, 3i. 



— dubia, I, 65. 



— eiiptycta, I, 619. 



SPIRAXIS euptyctus, Pfeiffer, I, 

 611, 612, 6i3, 6i4. 



— flavescens, I, 89. 



— Guatemalensis, Grosse et Fi- 



scher, I, 607, 618, 694; II, 

 476. 



— irrigua, I, 87. 



— Lattrei, I, 83. 



— ligidata, I, 68. 



— linearis, Pfeiffer. I, 616. 



— lurida, I, 48. 



— lymnaBiformis , I, 38. 



— Martensi, Pfeiffer, I, 619. 



— Meridana, I, 89. 



— Mexicana, I, 617. 



— Mexicanus, Pfeiffer, I, 617. 



— mitraeformis , I, 69. 



— Mohriaaa, I, 64. 



— Nicoleti, 1,38. 



— nigricans, I, 60. 

 — ■ oblouga, I, 57. 



— parvida, I, 67, 



— Pfeifferi, I, a 8. 



— physodes, I, 54, 



— SaUeana, I, 87, 608. 



— scalariopsis, Morelet, I, 609. 



— Shuttleworlhi, I, 91. 



— streptostyla , I, 37. 



— sulciferus, Morelet, I, 607, 



610, 61a, 618. 



— tenuis, Pfeiffer, I, 614, 



— liirgidida, I, 58. 



— ventricosula, I, 3i. 



Stalioa, II, 374. 



Stenogvra, I, 58i, 585. 



— Berendti, I, 685. 



— Bocourtiana, I, 609. 



— Garacasensis , I, 699. 



— Caraccasensis , I, Sgg. 



— Golimensis, I, 60 3. 



— Mai'tensi, I, 690. 



— octona, I, 64o. 



— Bangiana, I, 689. 



— subula, I, 600. 



— troclJea, I, 64a. 



STENOGYRIDjE, I, 581, 699, 699. 

 Stenomelania , II, 808, 809, 810, 



811. 



Stenopds, I, i54. 



Stenothyra, II, 9 54. 



Stephanoda coactiliata, I, 984. 



Stimpsoma, II, 9 58. 



Stoastoma, II, 878, 88a, 887. 



STREBELIA, Crosse et Fischer, I, 

 11, 644, 699; II, 3i, 657, 

 681, 689. 



— Berendti, Pfeiffer. I, 12; II, 



657,661, 673. 



Stuei'hobasis, II, 684. 



Strepomatid.e, II, 807, 3io, 684. 



STREPTOSTYLA, Shuttleworth 

 (emend.), I, 14, 6o5, 699;II, 

 678, 674, 68a. 



— auriculacea , Pfeiffer, I, 55, 57. 



— biconica, Pfeiffer, I, i5, 95, 



32, 55, 57. 



— Binneyana, Crosse et Fischer, 



1,29. 



— Blandiana, Crosse et Fischer, I, 



28, 44. 



— Bocourti, Crosse et Fischer, I, 



47, 49. 



— Botteriana, Crosse et Fischer, I, 



98,25, 96, 83, 66. 



— Boucardi, Pfeiffer, I, 48, 56, 



54; II, 670. 



— Boyeriana , Crosse et Fischer, I , 



46. 



— bullacea, Pfeiffer, I, 48, 56. 



— catenata, Pfeiffer, I, 63, 57. 



— cingulata. Crosse et Fischer, 1, 



40. 



— Cobanensis, Tristram,I,52,54. 



— coniformis, Shuttleworth, I, 3i, 



43, 47; II, 658. 



— cornea. Crosse et Fischer, I, 51. 



— cylindracea, Pi'eiffer, I, 30; II, 



670. 



— Delattrei, Pfeiffer (emend.), I, 



33, 38. 



— delibuta, Morelet, I, 44. 



— dubia, Pfeiffer, I, 98, 65. 



