INDEX TO JOURNAL. 

 VOLUME VIII. 



Aberration, at a curved surface, Theory 



of, demonstrated by H. M., 21. 

 Acephala, Vegetable Parasites in the 



Shells of, 180. 

 Achnatdhes, Bory, 120. 



„ angustatus, Grev., 14, 20. 



„ costatus, C. Johnst., 15. 



Achnanthidium, Kiitz., 120. 

 Achromatic condenser, new one, by 



Powell and Lealand, 106. 

 Adiniscus Sinus, Ehr., 128. 

 Adinoryclus, Ehr., 113. 



„ areolaris, Brightw. (sp.), 



93. 



„ k spinosus, Brightw., 93. 

 „ "" trilingulahts,Bv'\ght\v.,93. 

 Adi?wphcenia splendens, Sbadbolt, 94. 

 Adinoptychus interpundatus, Brightw., 



94. 

 JEtea truncata, Bk., 282. 

 Aledo incurvata, Hincks, 279. 

 Alysidota conferta, Bk., 145. 

 Amphipleura, Kiitz., 115. 



pellucida, 25, 49, 50. 

 „ „ W. Hendry on 



the lines in, 209. 

 Amphiprora, Ehr., 115. 

 Amphora, Ehr., 112. 

 Aneurisms, and Extravasations of 



Blood, caused by Parasites, 272. 

 Angle of Aperture, W. Hendry on, 61. 

 Annelida, Vegetable Parasites in the 



Tubes of, 184. 

 Anthozoa, Vegetable Parasites in the 



Hard Tissues of the, 178. 

 Aperture, Angular, P. Gray on, 135. 

 Arachnoidiscus Bhrenbergii, 18. 



„ japonicus, Ehr., 14. 



Archer, W., Description of Cosmarhtm 

 Portianum, 235. 



„ On some cases of abnormal 

 growth of Desmidiacese, 75, 234. 



Archer, W. Description of two new 

 species of Sfaurastrum, 75. 



„ On the occurrence of Zoo- 

 spores inthe family Desmidiaceae, 215. 



Arnott,G. A.Walker. On Cyclotella, 244. 

 „ „ On certain ma- 



rine objects collected at St. An- 

 drew's, 141. 



Arthrodesmus incus, 86, 234. 



Asterionella, Hass., 122. 



Axierolampra Marylandica, 94. 



Asteromphalus cent raster, C. Johnston, 

 12,16. 



Atmospheric corpuscles, M. Pouchet 

 on the means for the collection of 

 the, 188. 



Aulacodiscus lavis, 95. 



„ radiatus, Bailey (sp.), 95. 



„ sculptus, Sm. (sp.), 94. 



B. 



Bacillaria, Gm., 119. 



Bailee, G., New Polyzoa, collected by, 



123. 

 Baur, A. On Chitine, 264. 

 Beck, B. On the Universal Screw, 103. 

 Beryx ornatus, 171. 

 Bicellaria Aided, Bk., 213. 

 Biddulphia, Gray, 121. 

 Bodo viridis, Ehr., 227. 

 Bowerbank, J. S. Note on Prof. Kolli- 



ker's Observations on the frequent 



occurrence of Vegetable Parasites 



in the Hard Tissues of the Lower 



Animals, 187. 

 Brachiopoda, Vegetable Parasites in 



the Shells of, 182. 

 Brightwell, T. On some of the Rarer 



or undescribed Species of Diato- 



macese, Part II, 93, 139. 

 Brown, H. Hort. Upon Microscopic 



Manipulation, 152, 

 Bugula avicularia, Laink., 282. 



„ gracilis, Bk., 282. 



