, iui inbränn -nu. uli- ii liui ixoutuli - - 1 



. Iliptii .1 margiuc aiuuatu di uti 

 . ulm.i gramilin ul uiilii vidcl linatia (in wsntnu nullU?). / 



i , i <■ ". l.ii. i—i .--. :i ". I »Mim i r. 



\ ; tliffi ri angulia inferioribua paullc- 



ucioribu», (|uoi|uc in dorsa ■cmiucllularuni sitta, 



iil\ diatingniithi 'I From i ■■-in. »phalfTostichuiH Nobdbt. b) ita 



iatbuiUM I »Imrl ncck, b) ii- nut ut all irregularl) dia|>o8cd granulcs, and bj Uiu 



langular I"' i- Bcaidcs other |>oint8, it i- known from '. 



.11 un. I s ■!,'■■ i; ••■■ .i Bisa. bj tlu arrangemcnt "l ita 



'. . |t ' i, l*aeudomarg<iritife\ n IIbimscu Contrib. u 84, tab. 16, 



- ul-.. lin- .Ii i |i|\ »crobiculatc zygosporc according to Vrcubh in 



Se. N. S. N:r 64 (i |>. 116, who bas thcrc remarket! thal 



•tbough smaller in dimension, appcared thc same au Costn. 



ii. I3u1 thc granulcs of thc latter are scattcred (and not sharp). 



II. i. i M.o.itiitn N D8T. 1'i-m. brasil. |>. 214, tab. •">. ii.L r . 25. 



I or ma paullo major isthrao anguariorc, grauulia minoribua ut numerosioribua, in 

 crticc viaia (circularibua) ambitu circ. 22. Tab. 5, fig. 18. 

 ": råas. 19 20 ": lat. iathm. 10 u. 

 Omatangi 240, 241, 248). 



I ara much in doubt about asaociating thia form with my C. excavatum. And to 

 ilii- -|...'n- havc bcen referred Bundrj other Innu- differring verj much from the firat 

 ■ I. -. ril>i .1. and tvhich can scarechj all be combined into onc species for inatance: forma 

 duplo major Lundbll Deam. suec. p. 16 i C. orbictilatum Hass. Brit. Alg. p. 346, tab. 

 rllipticvm Willb Nov. Seml. Alg. p. 17, tab. 13, fig. 16, P trujonttm Lagbrh. 

 \iinr. Dcsm. p. 236, tab. 27, fig. 7: var. Wolle Desin. Unit. St. pag. 77. tab. 53, fig. 

 II 15). \e u> ii- dimensions thc New Zealand form appeara moatlj to agrei with 

 Wii.i.i i's »forma inciaura anguatiorei 1 >i« 1 1-. Norg. Alg. p. 37, but he bas >:ii<l nothing rc- 

 garding it- other characters. 



15. I. anniilatiiin Sko.) I >i Bar. Gonjug. p. 7 - J: I >\ - |. h i nct i u ni (Calocylindrus) aiiiiu- 



latum Näo. Einz. Alg. p. 111. tab. 6, fig. F. 



legaas jt. S x Desin. |>. 23 i B ssi sater . 



1. apicibus nunc non, nunc plus minus dilatatis; (semiccllula: 4- 5 aeriebua plicarum 

 ornatte). Interdum ad « accedens. Tab. •*». fig. 19. 

 Loi _. i" 50 ": råas. 1 6—20 ". 



Arthur Pass 17 . Taupo (154); Waikato river (237, 238); Omataugi (241, 250, 253, 

 iro et Kuapehu il*". 281). 



