INDEX. 



653 



segnis, OBIBATA, 517. 

 segnis, Nothrus, 91, 514, 517, 614, 

 Semen, 160. 



semirufus, Zetes, F., 618. 

 Sense-organs of the Oribatidae, 1, 185. 

 hearing, 174, 187. 

 sight, 186. 

 smell, 174, 187. 

 touch, 185. 

 Serrarius, 60, 64, 118, 119, 120, 121, 139, 270, 588, 593. 



microcephalus, 188, 272, 581, 613. 

 serrata, Notaspis, 352, 353, 366- 



setosa, Oribata, 11, 78, 80, 124, 125, 180, 196, 222, 243, 578. 

 setosus, Dam^us, F., 611, 612. 



„ Ebem.eus, F., 612. 

 Shamming dead, 96. 

 Shaw, G., referred to, 626. 

 Siebold, C. T. von, referred to, 626. 

 Sight, 186. 



simile, Leiosoma, 6, 121, 124, 196, 275, 276, 616, 617. 

 similis, NoTASPis, 254, 363, var. of, 365. 

 slnuatus, NOTHRUS, 503. 

 Size — 



of Oribatidse, 3. 

 of specimens varies, 196. 

 Skin, changes of, 76, 79. 

 Skins, habit of carrying cast larval and nymphal, 89, 281, 289, 312, 339, 



343, 348, 378, 385, 412, 419, 422, 517, 519, 522, 523, 579. 

 Saiall intestine, 145, 150. 

 sordidus, NoTHRUS, F., 615. 

 Sperm-duct, 601. 

 Spermathecse, 161, 162. 

 Spermatozoa, 160. 

 Sph.erozetes, 587. 



spbagni, Oribata, 80, 98, 124, 140, 202, 219, 222, 223. 

 Spiders, 145, 160, 173, 175. 

 Bpiniger, Nothrus, 88, 92, 121, 138, 148, 180, 199, 479, 482, 483, 486, 



487, 497, 614. 

 sjnnosa, CEL^NO, 80, 208. 

 Spiracles, 170, 176. 

 spirofilus, Nothrus, F., 615. 

 splendens, DAMMUS, 393. 



OPPIA 393 394. 

 splendens, Notaspis, 352, 353, 354, 393. 

 Stephenson's binocular mici'oscope, 193. 

 Sternum, 129. 

 Stigmata, 170, 176. 

 straminea, HoPLOPHORA, F., 612, 

 Straus, referred to. 111. 

 stricula, Hoplophora, 547, 563. 



Suckers (copulative) of the Oribatidae, 156, 159, 161, 167- 

 snfflexus, Dam^us, 406, 415. 

 Sundevall, 0. J. — 

 referred to, 627. 

 his classification of the Acarina, 34. 



