KOXflT,. SV. VKT. AKAliKMIKNS IIANOI.INGAR. BAND 25. N:0 9. 31 



T. vesicularis n. 



Till). VI, figfj. 2,35^2,37. 



Trochoidea subglobosa, temii.s.siiua, aiitVactibus 5 — 7, segmeiitis anfr. ultiini circiter 

 5, subamplectentibus, inflatis; facies oralis baud unibilicata. 

 Dilute ferruginea ant .subflava, subpellucida. 

 Fig. 235: facies aborali.s. 

 Fig. 236: facies oralis. 

 Fig. 237: facies margiualis. 



Huh. iiiiire Spetsbergense nietr. .S.50 rarissima; diaiii. mm. 0.40. 



AMM0D18CUS v. reuss. 



A. incertus d'Orb. 



Tab. VI, figg. 238—2,39. 



Plano-spiralis, complanatus margine rotundato, anfractibvis tenuissimis numerosis usque 

 ad 20; apertura tubus spiralis patens; Cerrugineus. 

 Fig. 238: facies lateralis. 

 Fig. 239: facies marginalis. 



Operculina ineerta d'Orb., 1839, For. Cuba, p. 49, t. C, ft'. 16 — 17. 



Troohammina ineerta Goes, 1882, Ret. Rhizop. Carib. Sea, Sv. Vet. Ak. Handl. 19, 4, p. 136, t. 11, fi'. 



404 — 406, ubi vide synonyniiara. 

 Ammod. incertus Bk.\I)Y, 1884, Chall. Rep. 9, p. 330, t. 38, fi". 1—3. 



Hab. ad oras Scandinaviaj occidentales luetr. 140 — 200 passim; diaiu mm. 0.40 — 1. 



A. tenuis Brady. 



Tah. VI, figg. 240—241. 



Plano-spiralis, anfractilms amplioribus, adultoruin 5 — 7, pars priniordialis magna, in- 

 flata ; flavo-ferrugineus. 



Forsan stadium maturum praecedentis potius habendus. 

 Fig. 240: facies lateralis. 

 Fio^. 241 : facies maro;inalis. 



Ammodisc. tenuis Brady, 1881, Ret. Rbizop. Chall. Exp., Qu. .louni. micr. Sc. (ii. s.) 21, p. 51. 

 » » Brady, 1884, Chall. Rep. 9, ]). 332, t. 38, ff. 4— C. 



Hal). .-1(1 Koslcr iii.siilas Siicoiie mctr. 90 lariis (L.iUNfiMAN), diam. mm. 1.70. 



