TITLES. 
Ech. 3 
as he found them, without expressing an opinion as to their validity ; he 
has, however, done his best to discover and quote the published opinions 
of others. The fow remarks within square brackets are inserted to pre- 
vent confusion, and are the only evidences of personality that the 
Recorder has permitted himself. 
I. — TITLES.* 
1. Agassiz, A. Three letters » ... to the Hon. Marshall McDonald 
.... on the Dredging Operations off the West Coast of Central 
America to the Galapagos, to the West Coast of Mexico, and in the 
Gulf of California, in charge of Alexander Agassiz, carried on by 
the U. S. Fish Commission steamer “ Albatross,’’ Lieut. Commander 
Z. L. Tanner, U.S.N., commanding. Bull. Mus. Harvard, xxi, 
pp. 185-200 (1891). 
French Translation by E. L. Bouvieii, Ann. Sci. Nat. xii, pp. 319-341 
(April, 1892). 
This is practically a preliminary notice of (3). 
2. . Ccilamocriniis diomedcv , a new stalked Crinoid, with notes on 
the Apical System and the Homologies of Echinoderms (being No. 1 
of Reports on an exploration .... by the U. S. . . . ss. “Albatross,” 
during 1891 . . .). Mem. Mus. Harvard, xvii, No. 2, 95 pp.> 32 pis. 
(Jan. 1892). [II, B, i, a, 2, 3, 5 ; c, 2, 8 ; d, 7 ; f, 1, 2, 3 : F, vi, c.] 
For preliminary notice, see Agassiz, Zool. Rec. 1891. Abstracts, J. R. 
Micr. Soc. 1892, p. 377 ; by O. Jaekel, N. Jahrb. Min. 1893, i, pp. 562 & 
563 ; in Ludwig (158). 
3. . Reports on the Dredging Operations off the West Coast of 
Central America to the Galapagos, to the West Coast of Mexico, 
and in the Gulf of California, .... steamer “ Albatross,” &c. II. 
General Sketch of the expedition of the “ Albatross,” from February 
to May, 1891. Bull. Mus. Harvard, xxiii, No. 1, 89 pp., 22 pis. 
(Feb. 1892). [II, D, v, c, 3. Ill, A, i ; iii.] 
4. Aguilera, J. G. [& Ordonez, E.] Datos para la geologia de 
Mexico. Tacubaya : 1893, 8vo, 87 pp. The stratigraphic part by 
Aguilera only. [Ill, B, ii ; iii. IV, C, F.] 
5. Alcocic, A. Natural History Notes from H.M. Indian Marine 
Survey steamer, “ Investigator,” .... Series ii, No. 9. An account 
of the Deep-Sea Collection made during the season of 1892-93. 
J. Asiat. Soc. Bengal, lxii, pp. 169-184, pis. viii & ix (1893). [Ill, 
A, iii. IV, C, D, E.] 
* An asterisk prefixed to a quotation indicates that the Recorder has not seen the 
Journal or Work referred to. 
