663 
Masra tenella, Walker, 2, 6. 
— spinosa, liasw., 8. 
Mahogany, mentd., 217, 219. 
Male genitals of Lyetus, 583-585. 
3Iandibles absent from Chlorops, 406. 
Maple8tonia, MacOill, 312. 
— cirrata, MacGilL, 312. 
Matuta, Hartm., 58, 67. 
Maxillary palps of Chlorops, 409. 
Mayflies, wing yenation in, 143-162. 
Mediproboscis of Chlorops, 407. 
Megalichtliys, Agass.^, mentd., 211-213. 
Megalopastes areniflbrosa, Bendy *, 509, 
479. 
Megamcera mastmsii, Hasw., 9. 
— subcarinata, Hasw., 9. 
— thompsoni, Miers, 9. 
Megapus gibberipalpis, Piers., 388. 
Melicerta, Schrank, 317. 
Melicerita, M.-Edw., 313. 
— charlesivorthii, Orb., 313. 
— charlesworthii, <S. Wood, 313. 
— dubia, Busk, 313. 
Melicertina, Ehrenb., 313, 317. 
Melosira, Spreng., food of Daphnia, 416. 
Membranicellaria, Lev., 313. 
— dubia, Lev., 313. 
Membranipora magnilabris, Busk, 304. 
— roboratu, Hincks, 306, 310, 345, 347. 
— spinosii, Quoy & Gaim., 304. 
Menipea, Lamx. (pars), 348, 353, 356. 
Menipea, iMmx., 306, 313, 315, 333, 389, 
340, 358; bifurcation, 321, 324-326, 
328-330 ; Craspedozoura group, 339. 
— aciileata, Busk, 355. 
— apicata, Sarmer *, 343-346. 
— benemunita, Busk, 300, 331, 334. 
— buskii, W. Thoms., 357. 
— buskii, Waters, 313. 
— cervicornis, MacGill., 357. 
— cirrata, Lamx., 313. 
— cirrata, Busk, 339, 340. 
— cirrhata, Lamx., 313. 
— clausa. Busk, 351. 
— compacta, Hincks, 854. 
— crispa, Alarms, 313, 340, 359. 
— crystallina, MacGill, 357. 
— cyathus, W. Thoms., 357. 
— duplex, Lev., 352. 
— fasoiculata, MacGill., 835. 
— flabellum, Lam.v., 313, 340. 
Menipea/rtie//H»», Busk, 310,340. 
— Hagellifera, Busk, 343. 
— faegensis, Busk, 356. 
— funiculata, 331. 
— gracilis, Busk, 354. 
— gracilis, Norm., 304. 
— jeffreysii. Norm., 351, 352. 
— ligulata, Leo., 319, 344-346, 360. 
— loiigisinnosa, Yan. & Ok., 356. 
— '■ marginala, Hincks, 332. 
— maroniensis, Busk, 318, 341, 342, 347, 
360, 361. 
— maroniensis (par.i). Busk, 335, 336, 
341. 
— niultiseriata, Busk, 347, 348. 
— ocoidentalis, Trask, 354. 
— ornata, 340. 
— patagonica. Busk, 321, 341. 
— pateriformis, Busk, 339. 
— pribilofi, Robertson, 354. 
— quadrata, 342. 
— roborata, Lev., 318, 319, 343-346, 348, 
360. 
— smittii. Norm., 352. 
— spicata, 319, 328, 369, 360. 
— sympodia, Yan. & Ok., 355. 
— ternata, Hincks, 354. 
— tricellata, MacGill, 357. 
— triseriata. Busk, 319, 341, 342, 347, 359, 
361. 
— vectifera,, Harmer *, 295, 319, 339, 346, 
348, 360. 
Mesephemera cellulosa {I£age>i)'\, wing- 
Yeins, 151-152. 
Metazoa, 83. 
MUiolina, Williamson, 604. 
— auberiana, Brady, 607. 
— — var. semiretieulata, Heron-All, 4" 
Barl.*, 607, 646. 
— bertheliniana, Brady, 605. 
— bicostata. Goes, 607. 
— bosciana, Millett, 606. 
— ■ circularis, Brady, 604. 
— contorta, Ooes, 608. 
— cultrata, 605. 
— cuvieriana, Brady, 607. 
— dilatata, Heron-All. ^ Earl, 604. 
— ferussacii, Brady, 608. 
— Jichteliana, Brady, 405. 
— fusca, Heron-All. ^ Earl, 608. 
— ■ kerimbatica, Heron-All. Sf Earl.*, 608. 
