758 BULLETIN 82, UNITED STATES NATIONAL MUSEUM. 



Itadiul Pentagons of Various GomatttUds. 



I'IG. 1)81. Thalaxxoiiictra agassisii, lateral view of radials and centrodorsal. (After Hartluub.) 

 982. Same, dorsal view of radial pentagon. (After Hartlaub.) 

 983.- Same, ventral view of centrodorsal. (After Hartbuib. ) 

 9S4. Perissomctra angusticali/f, lateral view of radials and centrodorsjil. (After P. H. 



Carpenter.) 



!IN.~>. Same, ventral view of radial pentagon. (After P. H. Carpenter.) 

 '.INC.. ra<-liijlfinii'tiv iii'i'i/unUn, lateral view of radiate and centrodorsal. (After P. H. Car- 

 penter. ) 



987. Same, ventral view of radial pentagon. (After P. H. Carpenter.) 

 988. Paecilometra acasla, lateral view of radials and centrodorsal. (After P. H. Carpenter. > 

 9S!. Same, ventral view of radial pentagon. (After P. H. Carpenter.) 

 990. Charitonii'trn linxii-nn-a, lateral view of radials and centrodorsal. (After P. H. Car- 

 penter. ) 



991. Same, ventral view of radial pentagon. (After P. H. Carpenter.) 

 992. Cliaritometra incisa, lateral view of radials and centrodorsal. (After P. H. Car- 

 penter.) 

 993. Same, ventral view of radial pentagon. (After P. H. Carpenter.) 



PLATE 4. 

 Radial Pentagons of Various Comatulids. 



FIG. 994. Antedon biflda, lateral view of radials and centrodorsal. (After P. H. Carpenter.) 

 995. Same, ventral view of radial pentagon. (After W. B. Carpenter.) 

 996. Same. (After P. H. Carpenter.) 



997. Solanometra antarctica, lateral view of radials and centrodorsal. (After P. H. Car- 

 penter.) 



998. Same, ventral view of radial pentagon. (After P. H. Carpenter.) 

 99!). Heliometra glacialte, lateral view of radials and centrodorsal. (After P. H. Car- 

 penter. ) 



1000. Same, ventral view of radial pentagon. (After P. H. Carpenter.) 

 1001. Prnmachocrinus kerguelensis, lateral view of radials and centrodorsal. (After P. H. 



Carpenter. ) 



1002. Same, ventral view of radial pentagon. (After P. H. Carpenter.) 

 1003. Leptometra celtlca, lateral view of radials and centrodorsal. (After P. H. Car- 

 penter.) 

 111114. Another specimen of sumo, lateral view of radials and centrodorsal. After P. 



H. Carpenter.) 



1005. Same, ventral view of radial pentagon. (After P. H. Carpenter.) 

 100C. Pentamrtrncrinux xempcri, lateral view of radials and centrodorsal. (After I'. H. 



Carpenter.) 

 1007. Same, ventral view of radial pentagon. (After P. II. Carpenter.) 



PLATE 5. 

 Kariialx nint Crntrinlnrxal of Florwnetra. 



I'M . IOON. I'liirniiK'ti-ii titnnrri, radial articular face. (After llartlanh.) 

 1009. Flornniclra /icr;i/r.T(7. radial articular face. (After Hnrtlaub.) 

 1010. Same, inner side of radial. (After Hnrtlaub.) 



1011. Sump, lateral view of radials and centrodorsal. (After Hartlauh. t 

 1012. Same, ventral view of radial pentagon. (After Hartlaub.) 

 Hii:;. Same, ventral view of centrodorsal. (After Hartlaub.) 

 1014.--Snme, dorsal view of radial pentagon, without rosette. (After Hartlaub.) 



