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PIEMEES TOUT MMI. Vialsie 12 x5. ciik vs s+. CRAB Rai Aen OD eT tase 922 
BT EVADS TYEE ORLICUD © aor6.a's. she tia 802) {aia 0 «inie\a above tok Oe ee 924 
i TEINS LA Se eT ea Re Glee ARREd Hest onde 925 
RE MBAS SUE ei a.) tiivye Ake is A WAewn ad Seow eae 927 
PEYROTIIDS UNCNNEM Hae a). Ls ee ns He St Rha se sh heass OT 929 
Memory Siuloisinom: above ta. any fs) sais, sed heen Se 997 
Seng olkulltan(leftside)) 3. 2. 22. ol xn rike bin Sone 998 
Means Sle ob(rieht Side) 0 tics sc so eine Let eee 998 
Protaster sedgwicki, Forbes, Structure of the arm of ......-..... 1031 
Protaster biforis: a, outline of dise of arms ; 0, pair of syngnaths.. 1033 
Protaster biforis, Diagram of the arm-structure of .............. 1033 
Bundenbachia, Arm-structure of... .. 02. .6.6 0 cece bee caeeaneee 1034 
Lapworthura, Diagram of the arm-structure of, seen from ventral 
PAU GES ERAS Liz, FER Sis. yusslid a aietdb o Menaniis He 1087 
