INDEX AND GLOSSARY. 417 



Fraunhofer's Lines, 44, 101. Dark lines in the solar spec- 

 trum, seen by the spectroscope. 



Frog-plate, 41. The common frog will afford means of 

 studying several kinds of structures. By scraping the roof of 

 the mouth with a scalpel, ciliated epithelium may be obtained 

 (page 191). The circulation of blood may be seen in the foot, 

 mesentery, lung, tongue, etc., by inclosing the frog in a wet 

 bag and extending the tissue over the aperture in the frog- 

 plate (page 187). The ova of the frog are frequently used in 

 the study of embryology, and the transparent parts of the 

 tadpole for observing the development of the tissues. 



Fungi, 18, 127, 134, 138, 232, 324. 

 " in blood, 298. 

 " in urine, 311. 



Galls. Abnormal growths on vegetables produced by the 

 sting or eggs of ffymenopterous insects. 



Gammarus pulex, 174, 320 (Gr. gammarou, a lobster, and 

 Lat. pulex, a flea). 



Ganglia, 200. Nervous knots. 



Ganglionic Fibres, 199. Remak's fibres. 



Gas-chamber, 42. 



Gasteropoda, 170 (Gr. gaster, belly ; podes, feet). A class of 

 Mollusca. 



Gelatinous injections, 71. 



" connective tissue, 194. 



Generative organs, 213. 



Generations, alternation of, 126. 



Germ-theory, 339. 



" of Dr. Beale, 340. 



Germ-cell, 125. Ovum. 



Germinal Matter, 118, 122. Another name for bioplasm 

 living protoplasm or " cell-stuff." 



Germinal vesicle, 201. 

 " spot, 201. 

 " plates, 202. 



Germ-fungi, 325. Gymnomycetes. 



GerlacWs carmine injection, 72. 



Geology, microscope in, 92. 



Giant- cells. 265. 



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