List of the Specimens of Hymenopterous Insects in the Collection of the British Museum. Pt II: Chalcidites. Additional Species

iv, 99-237, . . HB. 12mo, cont. half leather, marbled boards, rubbed to extremities, minor wear. Small institutional ink stamp to title page and final blank page only. Vg. First edition. Scarce. The second part acts as a supplement including additional species '. procured chiefly from Mr. F. Walker since the former part was publshed .' and '. kindly prepared by that gentleman who has devoted his attention to these Insects, and has been the original describer of the greater number of the species. The Appendix of this part, also written by Mr. Walker, contains the descriptions of the hitherto undescribed species contained in the collection.' - Introduction by John Edward Gray. Part I was publshed in 1846.BM(NH) Catalogue I, p. 247.