DON — ECH 



21 



Donkinia, Barkas (5). 



DONKIN, A. S. (1). On a species of 

 filamentous Diatom new to Britain. 

 (Transactions) vi, 11, 12. 



(2). On tiie Marine Diatomaceai 



of Northumberland, with a de- 

 scription of eighteen new species. 

 (Transactions) vi, 12-34, pi. iii. 



(3). Notes in reply to Dr. 



Walker-Arnott. vii (o. s.), 5-9 ; 

 cf. vii (o. s.), 89-91. 



(4). On the Marine Diatoma- 



cese of Northumberland, with a 

 description ©f several new species. 

 i, 1-15, pi. i. 



— — (5). On several new and rare 



species of Fresh-water Diatomacea3 



discovered in Northumbei'land. ix, 



287-296, pi. xviii. 

 (6). Notes on certain Fresh- 

 water species of Diatomaceaj. ix, 



397-400. 

 Donkin ; Natural History of the British 



Diatomacea3 (review), xiv, 93, 94. 

 Dotted tissue; formation of, Inman 



(2). 

 DOUGLAS, R. C. (1). Bacillaria para- 



doxa in fresh water, v, 148. 

 DOWDESWELL, G. F. (1). Note on 



atmospheric Bacteria, xviii, 82, 



83. 

 (2). On some appearances of 



the red blood-corpuscles of man and 



other Vertebrata. xxi, 154-161. 

 (3). The micro-organisms which 



occur in septicaemia, xxii, 66-75, 



pi. vii. 

 (4). Note on a minute point in 



the structure of the spermatozoon 



of the Newt, xxiii, 336-339. 

 Draco ; pineal eye, W. B. Spencer (3). 

 Draparnaldia, Currey (7), Hicks (9). 

 Dredge, Wallich (3). 

 Dreissena; gills, JPeck (1) 

 Drepanidium, E. R. L.mkester (52). 

 Drepanophorus ; vascular and nephri- 



dial systems, Oudemans (1). 

 Drosera; aggregation, Darwin (3). 



— glands, A. W. Bennett (1). 

 DEUCE, T. C. (1). Conjugation of 



Diatomacese. v (o. s.), 22. 



(2). On the reproductive pro- 

 cess in the Confervoidea. (Trans- 

 actions) viii, 71-80, pi. vi, figs. 1- 

 11. 



DUDGEON, R. E. (1). On a submersion 

 microscope, xi, 239-241. 



DUPFIN, A. B. (1). Some account of 

 Protoplasm, and the part it plays 

 in the actions of living beings, 

 iii, 251-264. 



DUNCAN, P. M. (1). The histology of 

 the reproductive organs of the 

 Irid, Tigridia conchiflora ; with a 

 description of the phenomena of its 

 impregnation, vi, 12-24, pi. i. 



(2). On the motion accompany- 

 ing assimilation and growth in the 

 Fucacese. xiv, 19-23. 



DURHAM, H. E. (1). Note on the 

 presence of a neurenteric canal in 

 Rana. xxvi, 509, 510, pi. xxvii. 



DYER, W. T. T. (1). On spontaneous 

 generation and evolution, x, 333- 

 354. 



(2). On the structure of the 



stem of the screw pine, xii, 50- 

 55, pi. V, 



(3). Note on the imbedding of 



crystals in the walls of plant-cells, 

 xii, 288, 289, pi. xiv, figs. 1-4. 



(4). On the stem-structure of 



the Carboniferous Lycopodiacese. 

 xiii, 152-156. 



(5). Sexual reproduction of 



Thallophytes. xv, 295-326; and 

 XV, 396-401. 



(6). The coffee-leaf disease of 



Ceylon, xx, 119-129, pis. ix-xiv. 



DYSTER, F. D. (1). Notes on two new 

 British Polyzoa. vi (o. s.), 260, 

 261, pi. xxi. 



Dysteria ; Huxley (10), Gosse (2). 



Dytiscus ; foot, Hepworth (1). 



E. 



Ear; histology, Pritchard (2). 



Earbones, Mammalia, DoUo (1). 



EBERHARD, E. (1). On the sexual 

 reproduction of the Infusoria 

 (transl.). viii, 155-158. 



EBERTH, C. J. (1). On Myoryktes 

 weiss manni ; a new parasite, in- 

 habiting the muscles of the Frog 

 (transl.). iv, 27-30. 



ECKER, A. (1). On the structure and 

 vital properties of the contractile 

 substance of the lower animals 

 (transl.). ii (o. s.), 111-115. 



Echinoderes, Mecznikow (3). 



Echinodermata; apical system, blood- 

 vessels, P. H. Carpenter (4). 



— brachiate, larval plates, Sladen (1) 



