042 MANUAL OF THE MOLLUSUa. 
PLATE XXIII. 
* The interiors marked are deft valves. 
Myacide. 
Pag 
ioe iva droncata, du. 2) -Brib. i...) kaos eee ie a oleh 459 
2 worbula snicata, Lam, W.-Adrica...: 2... ss 2:2 eee 490 
3. — (Lotamomya) labiata, Maton sp. 3. Buenos Ayres 490 
4, (Sphena) Binghann, Turt. yt... 2... eee 496 
). Mezra cuspidata, Olivi,  Britvaes o. 32. 4+. s eee ee 451 
6. Anatinella candida, Chemn. 8. Ceylon.................. 479 
: Anatinide. ‘ 
we_Anatina subrostrata, Lam-.. 3.. India: ...:6...:5.0ee eee 495 
5. Cochlodesma pratenue, Mont. Brit... 5. 0 rewsues eee 495 
9. Thracia pubescens, Palt., 3./. Bite: 2. 2. Go. cena 496 
10,*Lyonsia Norvegica, Chemn. sp. 3, Brit..-....9. deeweeee 498 
11, Pandora rostrata, Lam. 2 {Ss 1OONSOY ss Tans cle oe ee 499 
12. Myodora brevis, Stutch. iNew South Wales ......-cs.cse- 499 
13. Mycchama anomioides, Stutch. New South Wales ........ 499 
14. Chamostrea albida, Lam. sp. 3. New South Wales ...... 500 
. Gastrochenide. 
15. Gastrochzena modiolina, Lam. Galway .....+ce.+-s..e00 501 
lda. sp. siphonal orifices, in U. Greensand, Haldon, 
DEV ONSITE o 056 io ste g aloo: 10-a'e ont so 0) alae oon ioe 1 591 
16. mumia, Spengl. oo India, 201, . ante ee 501 
17. Clavagella bacillaris, Desh. 3. Pliocene, Sicily .......... 502 
#3) Asperzilluneyaginiterum, liam. - 3. Red Seas..|. 2 - see 503 
Pholadide. 
a9) Pholas Baken, Desh 3. Indiak 4... UN eri oe . 004 
20. (Pholadidea) papyracea, Solr. 3. Brit. ss... -neeee 506 
21 (Mariesia) striata, T+ W.ndies,...... .. cseemneee 505 
22, (Parapholas) bisuleata, Conrad ......2. - ms eeene 506 
23. Kylophaga dorsalis, Turt. “Brit. 2... «== ems selena 506 
24, 25. Teredina personata, Lam. London Clay, Bognor ...... 507 
5a, —————— siphonal orifice........ eves! i ole 6 otane terete sees 
26:* Teredo Norvyegica, Spengl. ~ Brit. ..)... 02% sists «cleo loole ote 506 
27, -———_—__————— siphonal end of the tube, brolzen to show 
Sepia ....2-- pieratais tetoielislnie ois’ allaie ove) ssa elokel oe'e so nielele ale eae 506 
28. =' palmulata, Vast. (styles), Brit. <2 46.700 saee eee 507 
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