INDEX 



Every reference is to the page : words in italics are names of genera or species ; figures 

 in italics indicate that the reference relates to systematic position ; figures in thick 

 type refer to an illustration ; f. = and in following page or pages ; n. = note. 



Abdomen, of Malacostraca, 110 ; of A can - 

 tholithus, 178 ; of Birgus, 176 ; of 

 Cenobitu, 176 ; of iJermatnrus, 178 ; of 

 Hapalogaster, 178 ; of Lithmli'*, 178 ; 

 of Pylopagurus, 178 ; of Trilobites, 2-'J:~> : 

 of Scorpions, 297 ; of Pedipalpi, 309 ; 

 of Spiders, 317 ; of Palpigradi, 422 ; of 

 Solifugae, 426 ; of Pseudoscorpions, 431 ; 

 of Podogona, 440 ; of Phalangidea, 440, 

 443 ; of Acarina, 457 ; of Pentastomida, 

 489 ; of Pycnogonida, 502 



Abdominal glands, of Chernetidea, 432 



Abyssal region (marine), 204 ; (lacustrine); 

 209 



A rant/iris, .' f lS 



Acanthejthi/rn, f'J.J 



Acanthephyridae, I 1 !-' 



A canthoctenus, 4.15 



Acanthodon, 388 



Acanthogaminarus, /.As' 



A cantholeberis, 53 



Acantholithus, /,v/ : A. A //*/ //.>., 178 



Acanthophrynus, 313 



Acari, 454 ( Acarina, g 



Acaridea, 454 ( = Acarina, r/.r.} 



Acarina, ,.'.;,v. .'/.',.'/. f. ; parasitic, 455 ; ex- 

 ternal structure, 457 ; spinning organs, 

 457 ; internal structure, 459 ; meta- 

 morphosis, 462 ; classification, 464 



A caste, ."/'> 



Aceola, 390 



. I m-iicare, 21f! 



Achelata, 529 



A rli f/ in, .~i.i.'f ; A. longipes, 506 



AcM/teres, 75; A . percarum, 75 



Acidaspidae. .''>/ 



A<-i<ftts/>is, 226, 227, 230, 231, 235, 241, 

 251; A. dufrenoyi, 250; .1. tubercu- 

 hdn, larva, 240 ; A. verneuili, 231 ; 

 A. resiculosa, 231 



Aciniform glands, 335, 34!i 



Acoloid.es sailidin, 367 



Ai-i'njit',-t/s, '>,!; A. leueocephalvA, 52 



Acrosoma, 410 



Acrothoracica. .''.' 



Actaet', I'.n : liabitat, 198 



Actinopodinar. -<',v/' 



.1 i-.tiiin/tiiti, .;,sV 



Aculeus, of scorpion, 303 



Admetus, SIS 



Aegidae. 1$6 



Aegisthii*. <il 



Aeijlea laei-is, 109 ; distribution, 212 



Aegleidae, ./'/.'' 



A"jlin(i, 227. .'-/'' : -I'. /'/'/MY/. 248 



Agelena, 41<J : A. lin'mmi. Hti7 : . I. Idn/- 



rmthica, :'.52. ::53, 378, 380, 381, 416; 



A. naevia, 339 



Agelenidae, 325, 352, 353, 415 

 Ageleninae, 4H> 

 Aggregate glands, : J )3;">, 349 



. 1 //A'*/ "'>' ! "''''' 



Ai/mitlm itt'i: ii< i 

 Agnatlionia, 529 

 Agnostidae, 

 Agnostini, ^.',-1 



Agnosia*. 2-22, 223, 225, 231, 234. 

 .1. iitft'ifi't: 245 



Agroeca, '>'>'> : A. hnninea, cocoon, 358 

 At/iniifii, 111 ; respiration, 170 : distribu- 



tion, 201 

 Albuneidae, 111 

 A !<;/,/: !>.' : A. /nm/xi*, 92. 93 

 Alcock, on Oxyi'liyncha, 192 ; on phos- 



phorescence, 151 

 Afi'/i<is, 89 



Alima, larva of Sjiiilla, 143 

 Alimentary canal, of Crustacea, 14 ; of 



Pliyllopoda. 28 ; of Cladocera, 42 ; of 



Squill a, 142 ; of Malacostraca, 110 ; of 



543 



