Netherlands. 299 



(7) Perna rudis, Reeve. (8) Bulla striata, Brug. (9) Haliotis nebulata Keeve. (10) 

 Phasianella aethiopica, Phil.? (11) Cyclostoma vittatum, Sow. (12) Cyclostoma Michaudi, 

 Gratel. (13) Turbo fraconicus, Keeve. (14) Nerita undata Linne. (15) Nerita polita, 

 Linne. (16) Nerita Rumphii, Reel. (17) Melania rnitra, Reeve. (18) Cyclostoma Sowerbyi, 

 Pfr. (19) Achatina pantbera, Fer. (20) Ampullaria nsp.? (21) Cerithium asperum, 

 Brug. (22) Fusus Toreuma, Reeve. (23) Terebra monilis, Quoy. (24) Terebra oculata, 

 Lam. (25) Mitra vulpecula, Lam. (26) Conus mutabilis, Cbenum. (27) Coaus guber- 

 nator, Brag. (28) Conus textile, Linne'. (29) Conus verriculam, Reeve. (30) Cypraea 

 onyx, Linne, a, 6, and c. (31) Cypraea caurica, Linne. (32) Cypraea cernica, Sow. (33) 

 Oliva irisaus, Lam. (34) Oliva elegans, Lam, a and &. 



DIVISION XLIX. 



65. KOLK, J. VAN DER, Kampen. (1) Some Specimens of Water 

 Insects spoiling the nets in rivers. (2) Gammarus Pulex L. and Lemmopholus rhombicus L. 



DIVISION L. 



66. POLLEN, DR. FRANCOIS P. L., Scheveningen. IV. Crustacea 

 from Madagascar. (1) Eriphia Smithii, Mackley. (2) Neptunus madagascariensis, Hoffm. 

 (3) The Forceps of Neptunus madagascariensis, viewed from above. (4) Ditto, viewed from 

 below. (5) Thalamita Helleri, Hoffm. (6) Second Pair of Legs of Palaemon mayottensis, 

 Hoffm. (7) Palaemon mayottensis, Hoffm. (8) Palaemon alphonsianus, Hoffm. (9) Second 

 Pair of Legs (left) of Palaemon alphonsianus. (10) Ditto (right) ditto. (11) Palaemon 

 reunionnensis, Hoffm. (12) Second Pair of Legs of Palaemon reunionnensis. (13) Palaemon 

 longimanus, Hoffm. (14) Second Pair of Legs of Palaemon longimanus. (15) Goniosoma 

 dubium, Hoffm. (16) The Forceps of Goniosoma dubium, viewed from above. (17) Ditto,, 

 viewed from below. (18) Ocypocla cordimana, Latr. (19) Front part of the body of Ocypoda 

 cordimana, Latr. 2 1 1. (20) The Forceps of Ocypoda Ceratophthaluia fab., viewed from above. 

 (21) The Forceps of Ocypoda Ceratophthalma (male), viewed from below. (22) Female 

 Specimen, without trace of the elevated ridge. (23) Front part of Ocypoda Ceratophthalma. 

 (24) Giapsus strigosus, Latr. (25) Grapsus Pharaonis, Milne Edw. (26) Front. (27) 

 The Forceps of Grapsus Pharaonis, Milne Edw., viewed from above. (28) Ditto, viewed from 

 below. (29) Palinurus Ehrenbergi, Heller. (30) The Forceps of Matuta distinguenda, 

 Hoffm. (male), viewed from above. (31) Ditto, viewed from below. (32) Abdomen. (33) 

 Matuta distinguenda, Hoffm. (female). (34) Ditto (male individu). (35) Palaemon mada- 

 gascariensis, Hoffm. (36) Palaemon parvus, Hoffm. 



DIVISION LI. 



67. POLLEN, DR. FRANQOIS P. L., Scheveningen. II. Fishes 

 from Madagascar and Reunion. (1) Choerops dodicautlms, Blkr. (2) Rilapia oligacantlms, 

 Blkr. ; Glyphidion Rhyncholepis ; Blkr. Paretroplus van Dami, Blkr. (3) Epinephelus 

 Polleni, Blkr. (4) Clirarnrnistes ocellatus, Blkr. (5) Chaetopterus pristipoma, Bikr. (6) 

 Gobius vergeri, Blkr. ; Gobius Samberanoensis, Blkr. ; Paraupeneus multifasciatus, Blkr. (7) 

 Epinephelus Retouti, Blkr. ; Rhombotides Folyzona, Blkr. ; Alticus aspilus, Blkr. : Alticus 

 rnonochrus, Blkr. ; Lutjanus quinquelineatus, Blkr. III. Fishes from Madagascar and Re'- 

 tinion. (1) Gobius polyzona, Blkr. : Chaetopterus microlepis, Blkr. (2) Lutjanus octo- 

 vittatus, Lutjanus bengalensis, Blkr. (3) Gobius melanopterus, Blkr. et Gobius niacrorhyn- 

 chus, Blkr. Gobius isognathus, Blkr. et Cirrhites punctatus, Cuvier. Poissons de Mada- 

 gascar. (4) Myripristis corbonicus, Cv. (5) Mugil cephalotus, val et Balistes calolepis, Blkr. 

 (6) Anthias Borbonier, Gunth et Paratilapia Polleni, Blkr. (7) Caesio xanthurus, Blkr. ^ 



68. WUYSTER, M., Maassluis. A bottle, containing two Smelts of 

 very large size, caught with the line in 1878. 



DIVISION LV. 



60. HOFFMANN, PROF. C. K., Leyden. Ziir ontogenie der 



Knockenfische. 



TO SHORTEN AT PLEASURE, AND WITH INNER CUFFS 

 TO PREVENT WATER RUNNING UP. 



A^BEESOH, ABBOTT, & AFDE&30F, 

 37, Queen Victoria Street, London, E.G. 



