EUGLTPHA TUBBEOULATA. 15 



Calkins in Biol. Lect. Woods Holl, 1899 (1900), p. 215; (pars) 



Protozoa (1901), pp. 56-56, f. 22 a-d. 

 Dangbaed in Le Botanist, VII (1900), pp. 147, 153. 

 Pbowazek in Arb. zool. Inst. Wien, XII (1900), pp. 243-252 passim, 



pi. i, f. 1 a-o ; in Zeits. angew. Mikr. Y (1900), p. 271. 

 West (pavs) in Jrn. Linn. Soo., Zool. XXVIII (1901), p. 327. 

 GoBTTB Lehrb. Zool. (1902), pp. 38-89, f. 11 (1-7). 

 Lister in Lankester's Zoology, I, ii (1903), pp. 52-58, f. 8. 

 AvBRiNTZEPP in TruduiS.-Peterb. Obshcli. XXXVI, ii (1906), pp. 83, 



93, 94, 291-292, pi. i, f . 20, pi. ii, f. 26 ; in Arch. Protist. VIII (1906), 



p. 114; in Zool. Anzeig. XXXI (1907), pp. 245, 310. 

 SoHorTEDEN in Ann. Biol, lacustre, I (1906), pp. 367, 868, f. 88. 

 ZiBGLBE Zool. Worterbuoh, 1 (1907), p! 204, f. 191. 

 HooGBNBAAD in Tijds. Nederk Dierk. Ver. (2) X (1908), pp. 412-413, 



424. 

 Landacee in Proc. Ohio Acad. IV (1908), p. 429. 

 Beown (pars) in Naturalist, 1909, p. 107 ; I pars) in Brit. Assoc. Handb. 



Sheffield (1910), pp. 500, 501 ; in Jrn. Linn. Soc, Zool. XXX (1910), 



pp. 360, 362; in Ann. Scott. Nat. Hist. 1911, pp. 229, 230; in 



Naturalist, 1912, p. 181 ; in Scott. Natur. 1918, p. 208. 

 DOFLBIN Lehrb. Protozoenk., ed. 3 (1911), pp. 24, 30, 141, 154, 623, 



626, fE. 23, 31, 139, 158, 355. 

 Haetog in Encycl. Brit., ed. 11, XXIII (1911), pp. 246-247, ff. 4 



(a-d), 6 A (1-7). 

 Wailbs & Penaed in Proc. R. Irish Acad. XXXI, lv (1911), pp. 16, 



36, 38. 

 EATncAXTP in Zool. Anzeig. XXXIX (1912), pp. 372-375, 4 figs. 

 Wailbs in Scott. Natur. 1912, p. 60 ; in Jrn. Linn. Soc. Zool. XXXII 



(1912), pp. 125, 144, 145 ; in Naturalist, 1918, p. 147. 

 Difflugia areolata 



Bhebnbbeg in Abh. Aka'd. Berlin, 1841 (1842), pp. 804-872 passim, 



418, pi. i (iv), f. 8c; pl.~ii (i), f. 45; pi. iii (i), f. 49; pi. iv (v), f. 2; 



in Ber. Akad. Berlin, 1845, p. 819; in Abh. Akad. Berlin, 1847 



(1849), p. 460, pi. vi, iii, f . 61 ; in Ber. Akad. Berlin, 1848, p. 215 ; 



op. cit. 1849, pp. 89, 98, 191, 228, 231 ; 1853, p. 266, tables 1-3 opp. 



p. 182 ; Mikrogeol. (1854), pi. xxxiii (iv), f. 2 ; pi. xxxiv (i) B, f. 2, 



(iii) B, f . 1 ; pi. xxxviii (xxi), A, f. 2 ; pi. xxxix (iv), f. 26 ; in 



Monatsb. Akad. Berlin, 1861, p. 1098 ; Zweite Nordpol. II (1874), 



pp. 445, 460, pi. iii, f. 23. 

 Leidy in Proc. Acad. Philad. 1880, pp. 386, 338. 

 Maggi in Rend. R. 1st. Lomb. (2) XXI (1888), p. 301. 

 Diffluqia alveolaia 



Peitchaed Hist. Infus., ed. 4 (1861), p. 907, pi. xxi, f. 11. 

 Eheenbeeg in Abh. Akad. Berlin, 1871 (1872), p. 264. 

 JEuglypha piisilla 



Entz in Termesz fiizetek, I (1877), pp. 162-163, 194, pi. x, ff. 6-8. 

 Euglyplia /3 



VEJDOVSxy Thier Org. Brimnenw. Prag (1882), pp. 88-89, pi. ii, f . 1 j, h. 



Test of medium size, elongate-oviform with hemi- 

 spherical crown, not compressed, glabrous ; the body- 

 scales circular to broadly oval in shape; the aper- 

 ture circular, devoid of neck and bordered by one 



