SUCGINEA §. 5. 17 



70. S. brevis Dunker. 



T. ovato-conica, solidula, striata, opaca, albida; spira 

 conica, subpapillata ; anfr. 27^, penultimus convexus, ultimus 

 basi parum attenualus, % longitudinis subaequans; columella 

 parum recedens, ieviter arcuata; apertura parum obliqua, 

 ovalis; perist. simplex, tenue, marginibus regulariter arcuatis, 

 dextro superne subincurvato. — Long. 6, diam. 4, alt. vix 3 

 mill. Ap. 4 mill. longa, medio 3 lata. (Coll. Nr. 22.) 

 Siiccinea brevis Dunk. mss. 



_ _ pfr, in Zeitschr. f. Malak. 1850. p. 84. 



Habitat in Mexico. 



71. Texasiana Pfr. (Coll. 23. — Roemer Texas 



p. 456.) Mon. II. p. 526. 



72. S. cing^ulata Forbes. •[• 



T. oblongo-ovata , vix obliqua, solidula, striata, nitidula, 

 fulvo-succinea , saepe spiraliter albo-lineata; spira exserta, ob- 

 tusa; anfr. 4 convexiusculi, ultimus ^/3 longitudinis aequans; 

 apertura elongato-ovala, superne acuta, basi oblique pone axin 

 recedens; columella arcuata. — Long. 12, lat. 6 mill. Ap. 7 

 mill. longa, medio 3 lata. (F.) 



Succinea cingidata Forb. in Proc Zool. Soc. -1850. p. 56. 

 t. 9. f. 8. 

 Habitat Mazatlan. 



73. S. efiusa Shuttleworth. 



T. depresso-ovata, tenuissima, striatula, parum nitens, 

 diaphana, griseo-cornea; spira brevissima, acuta; anfr. 2^2, 

 ultimus magnus, depressus, % longitudinis aequans; columella 

 vix arcuata, subrecedens; apertura ampla, obliqua, ovalis; 

 perist. simplex, regulariter arcuatum, basi non incumbens. — 

 Long. 12, diam. 7, alt. 4^2 mill. Ap. 10 mill. longa, 6 lata. 

 (Mus. Cuming. ) 



Succinea effusa Shuttl. mss. 

 Habitat in Florida orientali. 



74. S. Guatemalensis Morelet. •{• 



T. ovata, fragilis, ruguloso-striala , pellucida, nitida, pal- 

 lide succinea, apicem versus inifescens; spira brevis, acutius- 

 cula; anfr. 3 convexiusculi, ultimus plus minusve ventricosus, 

 7.5 longitudinis subaequans; apertura subrecta, ovalis, margi- 

 nibus tenuioiibus. — Long. 15, diam. 8 — 9 mill. (M.) 



Succinea Guatenmlensis Morel. Test. noviss. I. p. 16. N. 33. 

 Habitat ad margines rivulorum civitatis (iuatemala. 



in. 2 



