363 



GENERAL AND GLOSSARIAL INDEX. 



Abdomen, 25. 



and its differences of form, 47. 



causes of differences of cloth- 

 ing and form lie in its use, 48. 



colour and marking and 



clothing of, characteristic, 47. 



elliptical, or lanceolate and 



truncated, 48. 



Acari infest bees, 110. 

 Activity of a hive at work, 348. 

 Acuminate, terminating gradually 



in a sharp point. 

 Affinity, doctrine of, 136. 

 Agassiz' 'NomenolatorZoologicus,' 



130. 

 Analogies between the stages of 



bees and flowers, 15. 

 Analogy, doctrine of, 138. 

 Andrena, general observations 



upon, 204. 



geography of, 67. 



infested by Stylops and No- 



mada, 208. 



list of native species, 201. 



natural history of, 205. 



• scientific description of, 200, 



Andrenidae, abnormal bees, 160. 

 diagram of mode of folding 



the tongue in repose, 39. 

 Animals, domestication of, 5. 

 Antennas, 26, 28. 

 — ^ apparatus for cleaning, 42. 

 form and structure in Eucera, 



29. 



possible complex function of, 



■ 57. 



Antennse, sexual differences in 



length, 233. 



their probable use, 55, 57. 



used as means of communi- 

 cation, 58. 

 Anthidium, general observations 



on, 281. 



geography of, 75. 



native species, 279. 



natural history of, 282. 



scientific deacription of, 279. 



Anthocopa, general observations 



on, 292. 



geography of, 76. 



— native species of, 292. 



natural history of, 293. 



scientific description of, 290. 



Anthophora, general observations 



on, 238. 



geography of, 70. 



infested by Melecta, 240. 



list of native species, 238. 



natural history of, 238. 



scientific description of, 236. 



■ trophi of, 29. 



Apathus, general observations on, 



304. 



geography of, 77. 



list of native species, 304. 



scientific description of, 302. 



the Bombi they infest, 306. 



Apidse, diagram of the mode of 



folding the tongue in repose, 39. 



=normal bees, 160, 227. 



Apis, general observations on, 321. 

 geography of, 79. 



