2 Crust. 
CRUSTACEA. 
3. Ayers, H. On the Carapax and Sternum of Decapod Crustacea. 
Bull. Ess. Inst, xvii, pp. 49-59, 2 pis. ; abstr. in J. R. Micr. Soc. 1887, 
p. 85. 
Regards the carapace as formed from the terga of the somites of 
the antennae and mandibles, basing this view on young Squilla and 
Zo'ea. 
4. Baily, W. H. Trilobites from Lower or Cambro-Silurian Strata in 
the County of Clare. P. R. Dubl. Soc. iv (n.s.), p. 373 ; also J. R. 
Geol. Soc. Ireland (n.s.) vii, p. 29. 
5. Beddard, F. E. Preliminary Notice of the Isopoda collected 
during the Voyage of H.M S. ‘ Challenger.’ Pt. in. P. Z. S. 1886, 
pp. 97-122. 
Short accounts of about 45 n. spp., with remarks on distribution, &c. 
6. . The Isopoda collected by H.M.S. ‘Challenger.’ n. Chall. 
Rep. Zool. xvii, 178 pp., 25 pis., 1 map. 
Follows classification of Sars [Zool. Rec. xxii, Crust, p. 23]. Bathy-r 
metric distribution, pp. 157-163 ; horizontal distribution, pp. 163-165 ; 
eyes of deep-sea forms p. 165 ; development of spines in deep-sea and 
Arctic forms, p. 167. 
7. Bellonci, G. Intorno al ganglio ottico degli arthropodi superiore. 
Intern. J. Anat. Hist, iii, pp. 195-204, 1 pi. 
Treats of the brain and optic ganglion of Porcellio , Idotea, Nephrops , 
and Squilla. 
8. Bertkau, P. Zwei Bemerkungen zu E. Ray Lankester’s Artikel : 
“Prof. Claus and the Classification of the Arthropoda .” Zool. Anz. 
ix, pp. 430-432. 
9. Boas, J. E. V. Kleinere Carcinologische Mittheilnngen. Zool. 
Jahrb. ii, pp. 109-116. 
A new species of Apseudes , and some remarks on the discussion of last 
year [ vide Zool. Rec. xxii, Crust., Boas (9), Claus (30)]. 
Bonnier, J. [ Vide sub Giard (70) (71) (72).] 
10. 0 Borre, A. P. de. Notes sur les Crustaces Isopodes de Belgique. 
CR. ent. Belg. (3) No. 71, pp. lxxiv-lxxxvi. 
11. 0 . Crustaces Isopodes recueillis par feu Cam. Van Volxem, pen- 
dant son voyage en Portugal, en 1871. CR. ent. Belg. (3) No. 72, 
pp. cxii & cxiii. 
12. Bourne, G. C. Fauna of Diego Garcia, Chagos Group. P. Z. S. 
1886, p. 331. 
Corroborates the sometimes questioned account of the habit of climb- 
ing cocoa-nut palm trees in Birgus latro. 
13. ^Bovallius, C. Amphipoda Synopidea. Upsala : 1886, 4to, 36 pp., 
3 pis. 
