200 Mr. W. Thompson’s Catalogue of the Land and 
BRITISH 
ISLANDS. 
123 
124 
Vertigo alpestris 
substriata ......... eas 
PRWSIIS oe vic ua capa ess 
——— puSilla.......ccseseccees 
SBCUMAOL: : scesayarckes 
Baleea perversa .........4.. 
Clausilia bidens ............ 
biplicata 
Rolphii 
dubia 
nigricans ...... pie nut 
Carychium minimum ...... 
RAPIDE FUSCR Se. oki ieivesks 
POTEET. ci ssase PES 
sos SUB ETBTB co sens sen conses 
—— palustris ..........s000- 
truncatulus ......... 
INVOINENS |. coses nesses 
Amphipeplea glutinosa 
Ancylus fluviatilis ......... 
TAGUAUS fie ceeck veccces 
Physa fontinalis .......:.... 
hypnorum .........00. 
Planorbis corneus ......... 
CATINATUS ..cccpanpees's 
—— umbilicatus (P. mar- 
ginatus, Drap.) ... 
VOTteX.. 250. oedeccvocces 
GPIPGEDIS* 4h eeasieces 
NitidUS _ 2.2.2.0 sung 
CONTOLEUS | ...ccceceess 
Segmentina lineata 
Cyclostoma elegans ...... 
Cyclas rivicola 
COTS ersassubiavyves 
——— calyculata ..........00. 
Pisidium obtusale ......... 
——-nitidum. .......+. pene 
PUMEIUIN fsa cance esnanes 
—— pulchellum ...... eee 
—— Henslowianum ...... 
A AMMNICUM ...c.cecensee 
——.cinereum ....... sanes 
Anodon cygneus ....... sires 
Alasmodon elongatus...... 
Unio. pictorum 
tumidus 
ovalis 
—— Batavus 
CQ | North East West. South. [central ¥ 
Z O - o . ® ,. . 2 
Sel SS) | Ss $s) Es] oe S| SS) 216 
w}e@lick = Sapes! ES] 2d | clas a18 
|| 2 |5| 64) 3) 22) 8 |5| Bea |e! & 
nm nD Dm ao _ 
SS sslAlgsisla2leelllsigs] & |e 
DD |x| + * *] x 
56 *k eee eee ° see ees es eaelee eee * * 
uy te eee * ee eee * 
Sh eR Bg ob eye 
59 x eee *K eee * eee ooo Dk * ee * * 
60 thug 
61 * ee * e *k eee one * * ee * * 
62 * ee ok ee * % 6a. Pas * eee * * 
63 * see *k . eee * eee eT oe oe * * 
64 eee . * * * e eon * eee * 
65 | x * *| * ° fe | *] °° * | * 
66 * * * see « bk ite soe * * 
67 * * ee * eee ee «f * ee * * 
68 * * ee * eee é & * eee * * 
69 7oe see eee eee ee MK 
70 ee ee . se . *k 
71 * ee * ees * *k coe Ex * eee oe * 
72 * ee * eee * eee coe Beoeleee| ceo eee * 
73 * o- * eee * eee eee Dk * see *3h¢ * 
74 * ee kl] oee *k coe Be | & me * * 
75 eee ee eee * eee e seclee eee * 
76 4 eee * ese * eT lees eee * * 
77 * ° 
78 * ees * * ous eesleee eee * * 
79 eee * * eee * * ee * 
80 [| eee Pal] vee Pal x eT] ae] ces Pook |x 
81 
82 * * * eae eee * * 
83 * * ee * ee ee * eee * * 
84 * * see . eee IK eee * * 
85 71... she ee * 
86 | x Ce | ok] * | 
87 eee eee * ee eee eee Pas * 
88 
89 * eee ® eee s =” * * 
90 * * . * eT eee * * 
91 * * eee eee eT eee 4 * 
92 
93 * ees * * * eee eeelee ee x 
94 * ee * see eee *k cool eee * 
95 * eee * * 
96 fit “oes is ahs 
rorbis are not marked separately in the catalogue. 
1 For reasons stated in the text, p. 124, (No. XXV.) P. vortex and P. spi- 
