104 Echin. 
XIV. ECHINODERMA. 
syn. of P. godoni \ Rowley in Greene (119) p. 163. P. angustus 
n. sp., Chester Limest., Washington Co., Arkansas, holotype in 
Hambach coll. ; Hambach (126) p. 52, fig. 14 & pi. iv : only a var. of 
P. conoideus ; Rowley in Greene (119) p. 163- P- basilaris Hamb. 
1880, syn. of P. sulcatus ; 1. c. P. bradleyi Meek, rediagnosed from 
cotypes in Smithsonian Inst, (see also Cribrobl. schucherti ) ; Hambach 
(128) p. 56, pi. v : syn. of P. godoni , Rowley in Greene (119) p. 163. 
P. broadheadi , syn. of P. sidcatus ; 1. c, P. calycinus (p. 125, pi. xxxvi). 
P. cherokeusl, descr., and validity of sp. discussed (p. 116, pi. xxxvi). 
P. chesterensis, variation fr. type (p. 117, pi. xxxvi); Rowley in 
Greene (115). P. conoideus , abnormalities ; op. cit. p. 126, pi. xxxvi : 
contrasted with P. angustus ; Hambach (126) p. 53, fig. 14. P. 
elegans , inch P. tennesseae Troost, nom. nud. ; P. Jiorealis, distinct fr. 
P. godoni , but inch P. symmetricus Hall and P. altus Rowley ; 
Hambach (126) p. 37. P. gemmiformis , syn. of P. calycinus ; Rowley 
in Greene (119) p. 163. P. godoni ; Rowley in Greene (115) 
pp. 121-125, pi. xxxvi : inch P. globosus Troost ; Hambach (126) 
p. 38, pi. iii. P. Jcirki n. sp., Lower Burlington Limest. [? Burlington, 
la.], holotype in E. Kirk coll. ; op. cit. p. 55, pi. v. P. Jconinckanus, 
compared with P. conoideus , anchylosed columnals ; Rowley in 
Greene (115) p. 126, pi. xxxvi. P. nodosus , syn. of P. sulcatus ; 
Rowley in Greene (119) p. 163. P. obesus , descr. ; Rowley in 
Greene (115) p. 115, pi. xxxvi. P. obtusus n. sp., Warsaw Limest.,. 
Boonville, Mo., holotype in Hambach coll. ; Hambach (126) p. 53, 
fig. 13 & pi. iv : only a var. of P. conoideus ; Rowley in Greene (119) 
p. 163, P. potteri , syn. of Schizoblastus sayi\ 1. c. P. pyriformis , 
large specimen, elongate young, and specimen with “6 th R.” ; Rowley 
in Greene (115) p. 120, ph xxxvi : distinguished fr. P. jiorealis , inch 
P. subconoideus ; Hambach (126) p. 38, ph iii. P. robustus ; Rowley 
in Greene (115) p. 118, ph xxxvi. P. rusticus n. sp., Chester Limest., 
Washington co., Arkansas, holotype in Hambach coll. ; Hambach 
(126) p. 54, fig. 15. P. sampsoni , syn. of P. sidcatus ; Rowley in 
Greene (119) p. 163. P. serratus n. sp., Chester Limest., Ste. 
Genevieve, Mo., holotype in Hambach coll., also found at Baldwin, 
111. ; Hambach (126) p. 56, ph iv : a marked form of P. sulcatus ; 
Rowley in Greene (119) p. 163. P. speciosus n. sp., Kaskaskia 
group, Chittenden co., Ky. ; Rowley in Greene (115) p. 119, ph xxxvi. 
P. spinosus , syn. of P. sulcatus ; Rowley in Greene (119) p. 163. 
P. sulcatus (?) ; Rowley in Greene (115) p. 116, ph xxxvi : inch P . 
robustus and P. laterniformis ; Hambach (126) p. 39, pis. i, iii, vi. P. 
tulipaformis n. sp., Chester group, Kaskaskia, 111., holotype in 
Hambach coll. ; op. cit. p. 52, ph iv : syn. of P. cervinus ; Rowley in 
Greene (119) p. 163. P. turbinatus n. sp., Chester Limest., Evans- 
ville, 111., holotype in Hambach coll. ; Hambach (126) p. 54, ph v : 
is a young form; Rowley in Greene (119) p. 163. 
Pentremitidea rejected on anatomical grounds ; Hambach (126) p. 8. Vide 
etiam sub Clavaeblastus. 
Saccoblastus n. g., genotype not mentioned, but genus said to comprise 
Troostocr ., Tncoelocr., and Metablastus (qq.v.) [and since it does in 
fact include the genotypes of the last two, it must fall into synonymy], 
diagnosed; Hambach (126) p. 42, pis. ii, iii: rejected; Rowley in 
Greene (119) p. 162. S. bipyramidalis (Hall as Pentremites) (p. 43), 
S. lineatus (Shum. as Pentremites ) (p. 43, ph iv), S. meelcianus (Eth. 
& Carp, as Tricoelocr.) (p. 44), S. obliquatus (Roem. as Pentatrematites) 
(p. 43, ph iv), S. pyramidalis [? err. pro bipyramidalis\ (ph iv) ; 
Hambach (126). S. ventricosus n. sp., Warsaw Limest., Booneville, 
Mo., holotype in Hambach coll. ; op. cit. p. 60, ph iv : syn. of Meta- 
blastus bipyramidalis ; Rowley in Greene (119) p. 163. S. woodmani 
