CONCORDANCE 
OF THE NAMES USED IN DR. G. JOHNSTON’S BRITISH SPONGES AND IN 
THIS LIST. 
BP. Tethya...c.icsesees pages 81,244 = Tethya............ arsasuemgeus page 1 
ee Cranitony’: i :.::.. 82, 244 2 Craniamyssé,\sieceees 1 
2. Lyncurium 85, 195, 244 2. aurantium ............ 2 
— LS Sa eee 195 >; Geodiat 1.5. 2cccaceeseeeaeeeeeeee 2 
1. Zetlandica...... 195, 244 12) Gydontum’s: 2:24 oat... 2 
Pachymatisma ............... 244 Pachymatisma ..............000: 3 
1. Johnstonia ..... 108, 244 1. Johinstonia® < ices. a 
2. Halichondria ......... 88,244 \HahehondPias icce.ccdenceeedesas 3 
1. palmata ......... 92, 245 1. palmata ...... gidooiaee 4 
CURED cu oceces -» 94, 245 ZS Ocilatas:. tesecsseaes PP: | 
3. cervicornis ...... 96, 245 3. CETVICOINIS (cess scenece 5 
4, Wispida............ 98, 245 4, hispida. ....csscseusuwses 6 
o> TAMIOSA...5...00000s 99, 245 5, .FAMOSH. Use eo eevadete 6 
6. Montagui ....... 99, 245 6. tubulosay <.\.i55.-ceneue 6 
» 7. Columbz ...... 101, 245 75, Columb ni sd tan see 6 
8. plumosa......... 103, 246 8. plomosa wiei.csese dees 7 
9. fruticosa ...... 103, 246 9. TevticOse /. 2 sacceseee ae i 
10. infundibuliformis 105,246 10. infundibuliformis .... 7 
11. ventilabrum.... 107, 246 11. ventilabrum.......... some 
12. simulans ....... 109, 246 12. simulang 53. este eaad 8 
Bee.) CINEREA. 3:..<6.5- 110, 246 ES. CHER O50). cc cs eras 8 
14. Fucorum ...... 112, 247 17... Facoruia |... c<ac. sce 10 
15. panicea ......... 114, 246 TDs Panieea, 2 igcrsccnccuas 9 
16. wgagropila...... 119, 248 20. zegagropila ............ 11 
17. saburrata...120, 197, 247 19.) saborrata. .\/olc.ueescese ll 
18. areolata... 121,197,247  Dysidea fragilis. ......s.0s0se.0. 19 
19. incrustans 122,197,247 MHalichondria. 18. incrustans 11 
20. seriata .......... 125, 248 ZY, SCriAth .ccssssdeeavevaeeemees 
oly exlata |'.2.5.%.. 125, 248 2d. Celatai:. i. icsenseneet 12 
2D. AUTER .....0000. « L3l, 248 32Z.\, P AUPBR cans. des ueaater 15 
23. aculeata......... 131, 247 16... acnleate sth atactaecs 10 
me GONUS ......00<. 132, 248 34, COMME Tas sctaee Resets oa 16 
29. rigida.......:.... 132, 248 SD«, VIPIGA .4-cnentemaeeaves 16 
26. perlevis......... 133, 248 36 
s) PONlB Visi L250 -cerecs aise SC 
