SYSTEMATIC. 
Verm. 49 
ing gastrulation, up to a later stage than hitherto described for other 
Rotifers; Jennings. 
Bracliionus mirabilis and papuanus, n. spp., New Guinea ; Daday, Math, 
term. Ertes. Magyar Ak. xv, pp. 140-143. B. tetracanthus , n. sp., Vic- 
toria Nyanza, near Djuma I. ; Collin, Thierwelt Ost-Afr. iv, Lf. v, p. 8. 
B. bakeri , 0. F. M., definition of species, the type-species and 8 
varieties described and figured, 5 ancient and 8 more recent species 
referred to it as varieties ; Rousselet. B. quadratus , Rouss., anatomy ; 
France. 
Callidina venusta , , n. sp., for ( Macrotrachela elegans , Milne); Boyce, P. 
Zool. Soc. London, p. 796. 
Cathy pna glandulosa, n. sp., and C. scutaria , n. sp., shallow pool near 
Trenton, N. J. ; Stokes, Ann. Nat. Hist, xix, pp. 631 & 632. 
Copeus labiatus , Gossc, near Geneva, description of ; Weber, p. 92. 
Diarthra , n. g. with a horn-like process on each side of the body anteriorly, 
for D. monostyla , n. sp., New Guinea; Daday, Math. term. Ertes. 
Magyar Ak. xv, p. 1 43. 
Diglena contorta, n. sp., shallow pool near Trenton, N. J. ; Stokes, Ann. 
Nat. Hist, xix, p. 630. 
D. forcipata , Ehr., near Geneva, description of £ (1 specimen); 
Weber, p. 94. 
Dinocliaris pocillum, Ehr., near Geneva, description of £ ; Weber, p. 96. 
Diplax ornata , n. sp., New Guinea; Daday, Math. term. Ertes. Magyar 
Ak. xv, p. 135. 
Diplois sculpturata , n. sp., New Guinea; Daday, t. c. p. 135. 
Euchlanis longicaudata , n. sp., Bukoba ; Collin, l. c. p. 6. 
Hydatina senta, parasites of; Leussen. — E xperiments in producing sex; 
Nusbaum. — I mpregnation of ova; Sadones. 
Lacinularia elliptica , n. sp., Lagoon near the Yarra River, Heidelberg, 
Victoria ; Shephard, Viet. Nat. xiv, p. 84. 
(. Macrotrachela elegans, Milne) — Collidines venusta , n. sp. ; Bryce. 
Mastiaocerca hamata , n. sp., pond near Tillowitz in Upper Schleswig; 
Zacharias, Forschber. Plon, v, p. 8. M. multicrinis, n. sp., Sandusky 
Bay, closely allied to M. lata; Kellicott, Tr. Amer. micr. Soc. xix, 
p. 50. M. spinigera , n. sp., shallow pool near Trenton, N. J. ; Stokes, 
Ann. Nat. Hist, xix, p. 631. 
Megalotrocha binotata , n. sp., New Guinea; Daday, Math. term. Ertes. 
Magyar Ak. xv, p. 133. 
Metopidia pterygoida, n. sp., pool, 500 ft. above sea-level, Arran; Dunlop, 
J. Quekett Club, vi, p. 325. 
Monostyla bicornis , incisa and pygmcea , n. spp., New Guinea; Daday, 
Math. term. Ertes. Magyar Ak. xv, pp. 136-139. M., 2 spp. (nov. ?), 
Bukoba ; Collin, Thierwelt Ost-Afr. p. 7. 
Noteus stulihnanni , n. sp., Bussisi ; Collin, l. c. p. 8. 
“ Notommata” vorax, n. sp., more probably the type of a n. g. (to include 
also Taphrocampa clavigera , Stokes), shallow pool near Trenton, New 
Jersey; Stokes, Ann. Nat. Hist, xix, p. 628. 
Pedalion mirum , in Holstein Lakes, and in several ponds in both Schleswig 
and Holstein; Zacharias (1) p. 8. 
Philodina (? ?) emini , n. sp., Bukoba ; Collin, l. c. p. 4. 
Plcesoma truncata , n. sp., Sandusky Bay (surface) ; Kellicott, Tr. Amer. 
micr. Soc. xix, p. 47. 
Proales algicola, n. sp. in mucilaginous matrix of Anabcena gelatinosa (an 
Alga), Sandusky Bay; Kellicott, Tr. Amer. micr. Soc. xix, p. 48. 
P. liyalina , n. sp., shallow pool near Trenton, New Jersey ; Stokes, Ann. 
Nat. Hist, xix, p. 629. 
P. ( Notommata ) wernecki , Ehr., figures of $ with further descrip- 
tion ; Rousselet (2). 
