122 JOURNAL OF THE [October, 



39. Sections of Garter- Snake, embryo, Eutania sirtalis : by 



L. RiEDERER. 



40. Sections of California Salmon, embryo, Oncorhynchu^ 

 chouicha : by L. Riederer. 



41. Marine Crustaceans: by L. Riederer. 



42. Sections of the Eyes on the Mantle of the Common Scallop^ 

 Pecten irradians : by L. Riederer. 



43. Sections of the Eye of the Hermit Crab, Eupagurus Bern- 

 hardus : by L. Riederer. 



44. Larval English Oysters, polarized light : by Samuel 

 Lockwood. 



45. Metal Chips cut from Cover of Box by Mexican Beetle: by 

 F. W. Devoe. 



46. Spider's Silk Compared with 120 Spool-Cotton Thread: 

 by F. W. Devoe. 



47. Section of a Rat's Toe: by Chas. S. Shultz. 



48. Platino-cyanide of Magnesium, polarized light: by Chas. 

 S. Shultz. 



49. Vase and Bouquet of Diatoms and Butterfly Scales : by 

 Miss M. A. Booth. 



50. Section of Leaf of Scotch Pine, Finns sylvestris : by Geo» 



E. ASHBY. 



51. Fibre from Fruit-stalk of Banana, polarized light: by E. G. 

 Love. 



52. Anchors and Plates of Synapta, dark-ground illumination: 

 by E. G. Love. 



53. Crystallized Tin: by E. G. Love. 



54. Spiracle of Larva of Dytiscus: by E. G. Love. 



55. Itch Insect, Sarcoptes scabiei : by E. G. Love. 



56. Gizzard of Cricket: by E. G. Love. 



57. Arrowhairs of Dermestes: by E. G. Love. 



58. Luxulyanite, polarized light: by J. W. Freckelton. 



59. Native Copper, crystallized. Lake Superior: by Frederick 

 Kato. 



60. Crystals of Black Snake Fat, polarized light : by Edgar 

 J. Wright. 



61. Bacillaria paradoxa, living: by A, G. Robinson. 



62. Hydra viridis: by T. Craig. 



