TITLES, 
Ech. 25 
202. Norm an, A. M. Holotliuria nigra , Gray, and its synonymy. Ann, 
Nat. Hist. (G) xii, pp. 409-411 (Nov. 1893.) [II, B, i, b, 2. IV, B.] 
203. . A Month on the Trondhjem Fiord. [Part I.] T. c. 
pp. 341-367 (Nov. 1893). [Ill, A, ii, a.] 
204. . Cucumaria montagui (Fleming) and its synonymy. T. c. 
pp. 469-473 (Dec. 1893). [II, F, ii. IV, B.] 
Oehlert, D. P. (1) Zool. Rec. 1891 ; abstracts, — by L. Davy, Bull. 
Soc. Ouest France, ii, pp. 74-76 (Sept. 1892); by C. V^lain, Rev. Trav. 
sci. xii, p. 697 (1892) ; by 0. Jaekel, N. Jahrb. Min. 1893, i, p. 563. 
(2) Zool. Rec. 1891; abstracts, — by O. Jaekel, op t cit. 1892, ii, p.464, 
and 1893, i, p. 563 ; by C. V^lain, Rev. Trav. sci. xii, p. 697 (1892). 
205. Ogilvie, M. M. Contributions to the geology of the Wengen and 
S. Cassian Strata in Southern Tyrol. Quart. J. Geol. Soc. xlix, 
pp. 1-78 (Feb. 1893). [Ill, B, iv.] 
206. Parent, II. Description de quelques oursins nouveaux de la craie 
blanche. Ann. Soc. geol. Nord, xx, pp. 8-21, pis. i & ii (1892). 
[II, F, iii, c. Ill, B, iii. IV, C.] 
Abstract by V. GaUtiiier, Annuaire Geol. 1892, pp. 855 & 856 (June, 
1894). 
207. . Etude sur la Craie a Micraster du Boulonnais, et sur les 
plissements de la craie dans cet region. Ann. Soc. geol. Nord, xx, 
pp. 304-332 (1892). [Ill, B, iii. IV, C.] 
208; . Notes diverses sur le Terrain Cr£tac<$ du Nord. Op. cit. xxi, 
pp. 16-24 (March, 1893). [Ill, B, iii. IV, C.] 
209. . Sur Pexistence du Gault entre les Ardennes et le Bas-Bou- 
lonnais (Etude du Gault et du Cenomauien de PArtois). T. c. 
pp. 205-246 (July, 1893). [Ill, B, iii. IV, C.] 
Contains special notes on the Echinoids by J. Lambert. 
210. Penard, — . Premiers jours de la vie d’un ^chinoderme. Arch. 
Sci. Nat. (3) xxvii, pp. 348 & 349 (March, 1892). [H, F, iii, b.] 
P^ron, A. [See Loriol (153).] 
Perrier, J. O. E. (4) Zool. Rec. 1891 ; abstract, J. R. Micr. Soc. 
1892, pp. 375-377. (5) Zool. Rec. 1891 ; abstract by E. Oustalet, 
Rev. Trav. sci. xii, p. 769 (1892). 
211. . Sur la morphologie du Squelette des Etoiles de Mer. C.R. 
Ac. Sci. cxv, pp. 670-673 (Nov. 1892). [II, B, i, d, 1.] 
Abstract in Ludwig (158), and J. R. Micr. Soc. 1893, p. 53. 
212. . Description d’une esp&ce nouvelle d’Holothurie bilaterale 
(Georisia ornata E. Perrier). C.R. Ac. Sci. cxvi, pp. 557-560 
(March, 1893). [Ill, A, iii, c, 3. IV, B.] 
Abstracts, — J. R. Micr. Soc. 1893, p. 335; by H. Ludwig, Zool. 
Centralbl. i, p. 220, states that Georisia is “eine Todgeburt” and 
identical with Psolidium Ludwig, 1886. 
