Plate 4]. 



Fio. ]. DipMdcaxfcr iiii i)criiilif<. typt^; sovontli ;i(liiiiil)iila<T:il jilato. eiilarsod. la. 



SaiiH^: iiiMiilli pl.-itcs witli spines r('in(>\('(l for cninpiirison with fi.u". 

 2, X 3.2. P. 146. 



2. Dipsneasicr ncsintcs. station .'">r)24 : iiniulli plalcs with spines rpinoved. 



X 3.2. P. n4.^). 



3. Dipsacastcr fliaplmni-s. typo; sixth int'oi'oniaruiiial and adjacent adani- 



bidaeral philes. X !).<•. .">rr Same; side \ie\v of a jiaxilla ri-()ni neai'llie 

 base of ray, X Id. ."5/). Same; abaetinal i)axiHae. X Id. 2r. Same; 

 abactinal phites from inner or coelomic side, X S. P. 3.52. 



4. rutagiastcr si)h<irri(ip1(i.r. lype; fourth inferomar^inal phite and ad- 



jacent aetinal and aihimbulaei-al ])hites: i)il., .aclinal intermediate 

 jihites, X 8. 4ii. Same; abactinal ])axilla from \iciniiy of niadrepoiac 

 body, X IG. P. 154. 



5. Liiidin prioiiofd, type, sixth inferomarginal and adjacent ninth adam- 



l)Uhicral phites. X 12. .")«. Same; twelftli adambulacral jilate from 



adoral side, X 12. P. 1G4. 

 G. Ix'adia.'itcr iiohihilis, tyi^e ; paxilhie from midradial region, at liase of 



ray, X 12. Vxi. Same; tlie tentli aihiniiiiilacral plale. and an adjacent 



aetinal intermediate jilate. X G.-l. P. 217. 

 7. 'rdraclidslcr Iciinis, ly]e: abactinal jilales. ray near liase; plates to left 



of dotle(l line in the re'.:ion of reunlarly arranged plates, X 12. l(t. 



Same; ad;inilmlaci-al plates at base of ray, X 12. P. 402. 

 588 



