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Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: C. Comarium, W. Archer, Description of a new Species of, 235. 'raspedoductu coronaltu, Brightw., 95. marginalia, Brightv. (sp.),95. pyxidicula, Elir., 95. semiplanta, Brightw.,95 Cristatella tnucedo, Where to look for and bow to find, 59. Crustacea, W. C. Williamson, on some Histological Features in the Shells of, 35. Crystals, J. Lobb On the rings round the optic axes of, 107. CycMella, Ehr., 113. G. A. Walker-Arnott, on, 244- Dallasiaaa, 245, 246. Kulzioffiana, 245, 247-, Mexfghiatia, 246. miautula, 245, 247. operculafa, W.-Arn., 247. radiata, Brightw., 96. rotula, W.-Aru., 247. s/ylorum, Brightw., 96. Cymatoplettra, Sm., 114. Cymbella, Agardh, 112. D. Caberea Boryi, Aud., 281. Camera Lucida, Improvement of, P. Gray on the, 137. M. Nachet on the, 156. Campylodueut, Ehr., 113., marginalia, C. John- ston, 13, 17. prodaelia, C. John- ston, 12, 16. Carbasea ligulata, Bk., 282. Caspary. On the Zoospores of Cliroo- Icpus, 159. Catenicdla elegant, Bk., 280. Cellepora arma/a, Hindis, 278. tubigera, Bk., 278. Cell-plate, microscopic, 153. Cement, New, for mounting objects for the Microscope, J. W. Law- ranee on a, 135. Charleston, S. Carolina, The Micro- scopic forms of the Harbour of, A. M. Edwards on, 127. Chitine, A. liauron, 2'34. Chrooleptu, Ag., Caspary on (lie Zoo- spores of, 159. Chroolepiu aureum, Spr., 159., umbrinum, Kg., 160. Cirrhipedia, Vegetable Parasites in the Shells of, 184. Clark, J. Lockliart. Observations on the structure of Nerve-fibre, 65. .Clwteritmi, 224. lunvla, 89, 234, Coceuneit, Elir., 112. regitta, C. Johnston, 13,17. Coccoiiema, Ehr, 119. ...