f LATE 91. 



FiO. 1. ApliroiVilitslcr mii-roci nnii'ii-s. type: 8 :ili;;cl iiinl ]il;ilcs, i-adinl i-cuion, 

 X 'J.(j. 1". kS:iiii(": ;ui :il):ictiii;il philc Irmii side. X !l.f.. I'. li'J-'). 



2. Pseudarchastcr oliiKiiiorus. tMic; liflli :Ml;iiiil)iila('riil plate, and :'> adja- 



cent actiiial iiitennediale plales. -^n. Same; li aliadiiial jilates, X i).G. 

 P 222. 



3. Ro.safitcr n<i)niii-^. type: 2 proximal a(Uiiii))ulaeral plates, X 9.G. 3a. 



Same: median ladial plate, adjacent to the i)rimary radial, X 20. 

 ,")/*. Same: aliactinal plates from tlie (•(lelondc side: a, anus; r — a, 

 radial line of plates; ir—(t, inlerradial liiu> of plates. P. 244. 



4. Rosa-stcr luiiiiiriis, tyi)e; seventh adamhulaeral plate, and parts of 2 .ad- 



jacent actinal iilates. 4r/. Same: an actin.al intermediate pedieellaria. 

 4b. Same; abactinal jilates from tlie coiMonnc side; /• — /•, radial plates; 



2 plates of either adradial series are shown, and several plates from 



the interradial reuion, X CI). P. 250. 



5. Rosa.'itcr iiKniiilhit ux. type: a i-adial (left) and 2 adradial plati's, X !).G. 



5(1. Same : fonrlh superomar^inal from til) of ray showing the tubercle; 

 to the ri,i;ht. 2 abactinal ]ilat<"s are shown which separate the 2 series 

 of suiiei'omar.uinals. X !).(>. P. 247. 

 (•). h'osdstcr .^iiiiiholiciis : :', i-adial jilates to tlie left, and 2 adi-adi;il to the 

 i-i.uhl. showing the inteiauil coiiiMM'tinL:' ossicles. X (>.."). P. 2.").'5. 



7. C( nniKislcr smillii. ivjie: ab.-iciinal |ilates of radial area from coelomic 



side, X 1 ».(■). 111. Same: fonrteentb and lifteenlh ••idambulacral phites, 

 X 9.0. 7//. Same: one of the proximal radial plates, X '.l,C>. 7c. Same; 

 an .adradial plate. X 9.0. P. 2.".7. 



8. rcri-ssof/oiKistcr i)isiiniif<. ly]>e; twentieth adambuhu ral plate, X O.-J. 



8a. Same: radial p.-ixilla from disk. X 9.(>. 1'. 2.".<'(. 



9. Para!iO)ia.st<r chniiics li iiixicd iilli its : radial paxilla ()r [ilate, X 9.G. 



9(/. Same: sexcinli adambuhnral iil.ate. X (i..'). I'. 22S. 

 10. ParaiKinaxli r slcinisl iili us. ty|ie: lifth and sixth ad.ambnlacr.al i)lates, 

 X 9.0. 1(»</. Same; a paxilla from the radial series, X 9.0. I'. 232. 



038 



