ZOOLOGY AND BOTANY, MICEOSCOPY, ETC. 931 



Geant, F.— How to Mount for the Microscope. II. Preliminary examination 

 of objects. 

 [Deals with crystals, with note on the different crystalline forms assumed 

 by the same body, and directions for showing this.] 



Engl. Mech., XXXVIII. (1883) pp. 222-3. 

 ,, „ Microscopic Mounting. III. Eesinous and Air Mounting. 



[1. Appliances for all mounting. 2. Materials for resinous mountino-. 



3. Process of resinous mounting.] ° 



Engl. Mech., XXXVIII. (1883) pp. 243-5. 



Haeeis, v., and D'Aecy Powee.— Manual for the Physiological Laboratory 



2nd Ed. viii. and 214 pp. 43 figs. 8vo, London, 1882. 

 Hitchcock, R. — Microscopical Evidence coucerning Blood Corpuscles. 



[Comments on evidence given at a recent trial that certain spots found upon 

 a coat were produced by human blood. " Granting the strong probability 

 that the Microscope does under favourable circumstances afford a means 

 of positively identifying human blood and distinguishing it from all other 

 blood, we must still hold to the opinion that until experience has shown 

 such evidence to be sure and infallible, no scientific man is warranted in 

 stating that a stain upon cloth is made by human blood from the 

 microscopical examination alone."] 



Amer. Mon. Micr. Journ., IV. (1883) pp. 175-6. 

 Holmes, C. D. — Mounting Insect Organs, &c. 



[Soak in liq. pot. for a day, or longer, if large. Wash and lay out upon the 

 slip, arrange, and gently press while in the water with another slip. 

 Eemove to weak solution of acetic acid for a few hours. Wash again in 

 clean water, and transfer to slip, and drop on spirits of wine ; arrange 

 the object and put over another clean slip ; gently press and lightly 

 fasten with thread ; place end down in a small quantity of spirits of wine 

 for a few hours. Then remove the thread and gently lift off one slip, the 

 whole still wet with the spirit, when the object will adhere to one of the 

 slips ; drop on absolute alcoliol and work object into centre of slide. 

 Then apply oil of cloves, and in a few hours the object will be ready for 

 the balsam to finish.] 



Sci.-Gossip, 1883, p. 232. 

 Hoen's (J.) method of mounting very minute animals, such as embryonic fishes, 

 in a medium which makes them transparent and causes but very little 

 contraction of the internal parts. 

 [Composition of medium unknown.] 



Ainer. Mon. Micr. Journ., TV. (1883) p. 178. 

 Johnston, C— Ethyl-^ther of Gallic Acid and a New Mounting Material. 



[Media for making solutions out of which the substance should crystallize 

 — glacial acetic acid added to absolute alcohol in the proportion of from 

 5-20 per cent. : to this was added the ethyl-sether of gallic acid in 

 same proportion dissolved in a test-tube. Media for mounting— boiled 

 balsam copaiba, thickened to the consistency of molasses by best dammar 

 resin.] 



Amer. Mon. Micr. Journ., IV. (1883) pp. 192-4. 

 Koch. — Testing Air, Water, and Earth for Impurities. 



Micr. News, III. (1883) pp. 319-20, from Lancet, 

 from Proceedings of Berlin Medical Congress. 

 Lovett's (E.) Embryological Slides. [Commendation of them.] 



Amer. Mm. Micr. Journ., IV. (1883) p. 197. 

 Ltjstig, a. See Bizzozero, G. 



Macdonald, J. D. — A Guide to the Microscopical Examination of Drinking- 

 water, with an Appendix on the Microscopical Examination of Air. [_Post.'] 

 2nd ed. xi. and 83 pp., 25 pis. 8vo, London, 1883. 

 Maekel, J. F. — The Microscope in the Diagnosis of Diseases of the Kidneys. 



The Microscope, 111. (1883) pp. 163-7. 

 Meeeill (G. p.) has prepared 1550 microscopic slides of building-stones to be 

 used in connection with the investigations of Dr. G. W. Hawes ou the 

 building-stones of the United States. 



Ann. Rep. Smithsonian Institution for 1881, p. 110. 



