156 



[Ijflnlhi flctll Indr.r. 



pa(;e 

 ports iu DieUisma and Z.VROspira. 

 By Charles E. Beecher and 

 Charles Schuchert. And on the 

 Development of the shell of 

 Zygospira recurvirostra. By 



Charles Schuchert .71 



Remarks i v 



Seaman. W. H xiii 



Simpson. Charles Torrey. elected xi 



Sitomys 55 



americanus . .55.56.5r.59.(50.6::;.63.04.()5.6{) 



aretieus 67 



aureolus 63 



canadensis.55.56.57.59.60.61.62.63.67.68.6St 

 Smith. Erwin F.. Additional Notes on 



Peach Rosette v 



A Bacterial Disease Cucumliers. 



etc.. workin^: throutrh the Pib- 

 rovascular Bundles and prob- 

 ably transmitted by Insects xiii 



Peach Yellows and Plant Nutrition . . x 



Remarks iv. v. ix. x 



The Symbiosis of Stock and Graft. . . x 



Smith. Theobald. The Bacteriolo>;y of 

 Potomac Water and its Bearing 



upon Sanitar.v Problems viii 



A New Sporozoon in the Intestinal 



Villi of the Ox x 



Remarks iv. ix. x. xiii 



and V. A. Moore. The Growth of 



Bacteria Through the Pasteur- 



Chamberland Filter v 



Solarium planorbis 102 



Spermophilus annectens 133 



beecheyi 133 



beecheyi fisheri 133 



chrysodeirus 134 



tarevicaudus. .134 



eleg-ans 131 



mexieanus 131. 132 



nelsoui 139 



obsoletus 132 



perotensis 131 . 132 



spilosoma 131 



annectens 132 



ma.ior 131 



Sphaerulites 108 



Spiriferida? 76 



Stanton. T. W iv. v. vi 



Stejnef^rer. L vii 



Sternberg. Geo. M.. elected xiii 



Stiles, C. W.. Artificial Species of Ces- 



todes xii 



The Cause of Measly Duck ix 



Sud worth. G. B iv 



Swindle. W. T.. Some Problems of Plant 



Gebt^i'aphy iu Florida xi 



T. 



Tamias alpinus 137 



callipeplus 136 



minimus pictus 137. I3H 



panamintus 134. 135 



speciosus 137 



Teonoma 109. 112 



Terebratellidas 72 



Terebratulina *. 81 



Thomomvs 113 



bott* 115. 116 



bulbivorus 113. 114. 115 



Mt. Orizaba 145 



Orizaba? 145. 146 



peregrinus 145. 14c) 



wandering' 146 



Thompson. J. B. . elected xii 



Townsend. C. H.. The Propagation of the 

 Atlantic Coast Oyster on the 



PAfiK 



Pacific Coast vi 



Sea-Otter Fishinj; iu Alaska in Re- 

 lation to the Natives vi 



Remarks vii 



Trigonia crenulata 16. 27 



stolleyi 16, 26 



Trinity division 11. 12. 17 



fossils 15 



Trochus texanus 102 



Troglodytes hiemalis 63 



True. F. W iv. xiii 



Trullacea HO. Kl 



Ty lostoma pedernalis 17. 33 



U. 



Ursus americanus 147. 149 



cinnamomeus 147 



horribilis 149 



luteolus 147. 148. 149. 151 



V. 



Van Deman. H. E ix 



Vanessa cardui 51 



Vasey "s, George, death viii 



Vermes 16. 21 



Vertebrata 17 



Vicarya taranneri 17. 33 



Viviparus (Natica ''.) cossatotensis 17. 32 



W. 



Waite. M. B.. The Destruction of Lich- 

 ens on Pear Trees vi 



The Variation of the Fruit of the 



Pear due to Difference of Pollen. . .vii 



Remarks v. viii 



Walcott. C. D iv. viii. xiii 



Waldheimia 72. 80 



bicarinata 74 



mawii 74 



Ward. L. F.. The Flora of the Trinity 

 Division of the Comanche Series 



in Texas vi 



The New Botany x 



Weismann's Concessions xi 



Remarks, etc iv. v. vii. viii. xi. xiii 



Washita division 10. 11 



Xerospermophilus 131 



Yucca 41 . 53 



aloifolia 43. 47, 53 



angustifolia glauca 53 



australis 53 



baccata 45. 53 



brevifolia 53 



elata 45. 53 



filamentosa 53 



filifera 53 



gloriosa S3 



guatemalensis 53 



insects 41. 47 



pollination 41 



rupicola 45. 53 



treculiana S3 



Whipple! 41 .42. 43. 45. 48. 52. .53 



graminifolia 45.47.51 



