21 



Melanopsis, Ferussac. 



(2100) acicularis, FeV. 



3665 2 aciculella (Z.), Schm. 



3666 3 peracuta, Bourg. 



3667 4 stossichiana, Bourg. 



3668 5 biharensis ^Haz.), Cless. 

 (2102) esperi, Per. 



3669 2 pfeifferi, Bourg. 

 (2104) proemorsa, Lin. 



3670 i sphseroidea, Bourg-. 



3671 2 saharica, Bourg. 

 (2112) costata, Olivi. 



3672 2 moraldi, Ziegl. 

 3^73 3 irregularis, Mouss. 



3674 kotschiyi (v.d. Buck), Phil. 



3675 stussineri, Bttg. 



guiraoi, Bourg. (type not in coll.) 



3676 i scalaris, Gass. 



3677 hammanensis, Gass. 



3678 maresi, Bourg. 



3679 lunetana, Morel. 



Fain, Y Valvatidw. 

 Valvata, Miiller. 



3680 lacustris, Cless. 

 (2128) piscinalis, Mull. 



3681 i kliniensis, Milasch. 



3682 discors, West. 



3683 obtusa, Studer. 



3684 depressa, C. Pfr. 



3685 naticina, Menke. 



3686 umbilicata, Fitz. 



3687 pulchella, Studer. 

 (2136) cristata, Mull. 



3688 i spirorbis, Drap. 



Sub- Order IL Scutibranchiaba, 

 Rhipidoglossa. 



Fain. Neritinidce. 

 Neritina, Lamarck. 

 ( 2I 39) jordani, Sow. 



3689 2 turris, Mouss. 

 (2141) anatolica, Recluz. 



3690 b. hausknechti, Marts. 

 (2148) fluviatilis, Lin. 



(2150) 2 littoralis, Bk. 



3691 a. baltica, Bk. 



3692 ii transversalis (Z.), C. Pfr. 



3693 a. castanea, Zeleb. 



Neritina, Lamarck, continued. 



3694 12 anapensis, Marts. 



3^95 '3 bourguinati, Recluz. 



(2163) meridionalis, Phil. 



3696 b. lutescens, Miihlf. 



3697 syriaca, Bourg. 



3698 a. ledereri, Zel. 



Class II.-PELECYPODA. 

 Order I. Tetrabranchia. 



tiiib-Order.Submytilacett. 



Fam. Unionidw. 



Unio, Retzius. 



3699 auricularis, Speng. 



3700 letourneuxi, Bourg. 



3701 kochi, Kobelt. 



3702 oriliensis, Stab. 



3703 vicarius, West. 



3704 desectus, Drt. 



375 gangrenosus (Z.), J. F. Schm. 



3706 mancus, Lam. 



3707 macrorhynchus, Bourg. 



3708 brianteus, Pini. 



3709 blaunera, Stab. 



3710 vulgaris, Stab. 



3711 falsus, Bourg. 



3712 larius, Drt. 



3713 proechus, Bourg. 



3714 jonicus, Bl. 



3715 aradasi, Phil. 



3716 villae, Stab. 



3717 turtoni, Payr. 



3718 borcherdingi, Bourg. 



3719 tristrami, Loc. 



3720 eucirrus, Bourg. 

 Anodonta, Cuvier. 



3721 delpretii, Bourg. 



3722 moulinsiana, Dup. 



3723 balatonica, Serv. 



3724 sturmi, Bourg. 



3725 alseria, Drt. 



3726 potiezi, Bourg. 



3727 pachyproktus, Borcherd. 



3728 microptera, Borcherd. 

 Spatha, Lea. 



3729 caillaudi, Martens. 



