BRITISH MUSEUM (NATURAL HISTORY), 13 
Orthopierous Insects. 
Catalogue of Orthopterous Insects in the Collection of the 
British Museum. Part I. Phasmide. By John Obadiah 
Westwood, F.L.S., &e. Pp. 195. 48 Plates. [With an 
Alphabetical Index]. 1859, 4to. 31. 
Catalogue of the Specimens of Blattaria in the Collection of 
the British Museum. By Francis Walker, F.L.S., &c. 
Pp. 239. [With an Alphabetical Index.] 1868, 8vo. 5s. 6d. 
Catalogue of the Specimens of Dermaptera Saltatoria [Part I.] 
and Supplement to the Blattariz in the Collection of the 
British Museum. Gryllide. Blattariz. Locustide. By 
Francis Walker, F.L.S., &c. Pp. 224. [With an Alpha- 
betical Index.] 1869, 8vo. 5s. 
Catalogue of the Specimens of Dermaptera Saltatoria in the 
Collection of the British Museum. By Francis Walker, 
E.L.S., &¢e.— 
Part Il. Locustide (continued), Pp. 225-423. [With 
an Alphabetical Index.] 1869, 8vo. 4s. 6d. 
Part ITI. Locustide (continued).—Acridide. Pp. 425- 
604. [With an Alphabetical Index.] 1870, vo. 4s. 
Part IV. Acrididz (continued). Pp. 605-809. [With 
an Alphabetical Index.] 1870, 8vo. 6s. 
Part V. Tettigide.—Supplement to the Catalogue of 
Blattariz.—Supplement to the Catalogue of Dermaptera 
Saltatoria (with remarks on the Geographical Distri- 
bution of Dermaptera). Pp. 811-850; 43; 116. 
[With Alphabetical Indexes.] 1870, 8vo. 6s. 
Hemipterous Insects. 
List of the Specimens of Hemipterous Insects in the Collec- 
tion of the British Museum. By W. 8. Dallas, F.L.S. 
Part II. Pp. 369-590. Plates 12-15. 1852, 12mo. 4s. 
Catalogue of the Specimens of Heteropterous Hemiptera in 
the Collection of the British Museum. By Francis Walker, 
F.LS., &. 8vo0. :— 
Part I. Scutata. Pp. 240. 1867. 5s. 
Part II. Scutata (continued). Pp. 241-417. 1867. 4s. 
Part III. Pp. 418-599. [With an Alphabetical Index to 
Parts I., II., III., and a Summary of Geographical 
Distribution of the Species mentioned.] 1868. 4s. 6d. 
Part IV. Pp. 211. [Alphabetical Index.] 1871. 6s. 
Part V. Pp. 202. 1872. 5s. 
Part VI. Pp. 210. 1873. 5s. 
Part Vil. Pp. 213. 1873. 6s 
Part VIII. Pp. 220. 1873. 6s. 6d. 
