308 INDEX TO 
Silkworms, studies on the psorosper- 
mic disease of, by M. Balbiani, 214. 
Slides, transmission of, by post, 63, 
Sloth, on the blood-corpuscles of, by 
Prof. Rolleston, 127. 
Solanacez, on the structure of the 
seeds of the, by Tuffen West, F.L.S., 
151. 
Solenogorgia tubulosa, by Carl Geuth, 
273. 
Sonorous and vocal apparatus of in- 
sects, on the, 137. 
Spiders, on the falces and maxille of, 
by John Blackwall, F.L.S., 217. 
Spinal cord, on the ganglion-cells of, 
by Friedrich Jolly, 274. 
Spirifer cuspidatus, on the perforate 
structure of the shell of, by Wm. 
B. Carpenter, M.D., F.R.S., 148. 
Spirotenia condensata, on the conju- 
gation of, by William Archer, 186. 
Sponges, ciliated, on the animality 
of, by Prof. H. James Clark, 152. 
= on excavating, by A. Han- 
cock, F.L.S., 216. 
Stage, on a new microscope growing-, 
by John Baxter, M.D., 11. 
Stauroneis costata, 246. 
a rhombica, 246 
Stellio Caucasicus, on the structure of 
the skin in, by Prof. F. de Fillipi, 
151. 
Stuart, A., on Coscinosphera ciliosa, 
50 
Surirella gracilis, 117. 
a pulcherrima, 117. 
JOURNAL. 
= 
Tactile hairs, on the anatomical struc- 
ture of the, by M. V. Odenius, 134. 
Tatem, T. G., on new species of 
microscopical animals, 250. 
Tomes, C. 8., an account of Tri- 
chopterus larva, 248. 
Torpedo, on the anatomical arrange- 
ment of the lymphatics in the, by 
C. Robin, 142. 
Toxonidea, 8. 
Trachez in insects, on the occluding 
apparatus of the, by Dr. H. Lan- 
dois and W. Thelen, 205. 
Trichopterus larva, by C. 8 Tomes, 
B.A., 248. 
Turin Academy, 151. 
U; 
Urinary and sexual systems, by Dr. 
C. Kupfer, 135. 
WW, 
Woodward, J. J., on monochromatic 
illumination, 252. 
Z. 
Zenker, Dr., on Infusoria, 263. 
Zeitschrift, Kolliker’s, 49, 137, 205, 
271. 
Zoophytology, by Prof. Busk, F.R.S., 
241. 
ERRATA. 
In line 29, page 65, for “ wall,’’ read “ well.” 
” 29, ” 
Ces 2. 9 
” 9, 2” 
with.” 
68, the word “ not” must precede the word “ unimportant.” 
69, for “ vibrious,” read “ vibrios.”’ 
69, before “nitric acid,” insert the words “experiment 
69, insert a “comma” after “ Ehrenberg.” 
71, for “transmitted,” read “ reflected.” 
PRINTED BY J. E, ADLARD, BARTHOLOMEW CLOSE. 
