42 Echin . 
V. Echinoderma. 
[1900] 
Notechiniis, diagnosed (226), N. 
magellanicus (217), descr. (227, pis.) 
var. n. hassleri (229), var. n. novcic- 
amsterdamiae (229) ; Doederlein, 2. 
\Nndeolitea [vide etiam Ediinobria- 
8W8], — hi. daglcrma, measured (246): 
N. gihboaa (240) : N. me del, measured 
(247): N. ualtheri (246) ; Gregory. 
1 0 faster pilula, range ; Siierborn 
(33). 
Oligophyma syn. of Anapesus] Lam- 
bert 8 (67). 
Opechinua ; Doederlein, 2 (189). 
t Opiaaaster discussed ; Lambert 8 
(102). — 0. almerai sp. n., Burdigalian, 
Vence ; Lambert 1, Nice, Ann. Soc. let. 
sci. 20, (43) : descr. fr. Barcelona and 
Sardinia; Lambert 8 (100, pis.). — 0. 
morgani is a TIemiaater ; op. cit. (103). 
Orediinua (189), diagnosed (196), 0. 
rnonolini, descr. (196, pis.) ; Doeder- 
lein, 2. 
t Orthopsia discussed ; Valette 2 
(288).- — O. cf. miliaria ; Parona. — 0. 
‘ ruppelii , incl. 0. zumoffeni, apical sys- 
tem ; Fourtau, (154, pi.). 
"\Ova canalifera Gray, vide Schizaater 
bononienaia . 
Palaeolampaa, discussed (236) ; 
Doederlein, 2 : Bell, defined as section 
of Echinolampas, with type E. hoff- 
manni ; Lambert 1 (33). — P. diuni, 
descr. (239, pi.) measured (241) : P. 
craaaa, descr. (236, pi.) measured (241) : 
P. aumatrana, descr. (238, pi.) measured 
(241) ; Doederlein, 2. 
Palaeopneuatea niaaicua, descr. ; 
Doederlein, 2 (245, pis.). 
Paracentrotua, diagnosed (207) : P. 
agulhenaia, descr. (207, pis.) : P. gai- 
mardi (209) ; Doederlein, 2. — P. lividua ; 
Cuenot : Delage, 2 : Doederlein, 2 
(209) : Kiernik : polarity of ovum ; 
Garbowski : vide etiam sub Strongylo- 
centrotua. 
Paraater as subgenus of Schizaater ; 
Lambert 8 (112). 
Parechininae, discussed ; Doederlein, 
2 ( 202 ). 
Parechinus is syn. of Paammechinua 
(q. v.) ; Lambert 8 (67). — P. anguloaua, 
is Protocentrotua ; Doederlein, 2 (202). 
— P. microtuberculatua ; Cuenot : 
Kiernik : vide etiam sub Echinua et 
Paamviechimi8. 
| Paronaster gen. n. (107) with geno- 
type P. cupidiformia sp. n. (108, pi. iv), 
Senonian of Novalo, Venetia ; Airaghi, 
Milano, Atti Soc. Ital. sc. nat. 45. 
f Peltaatea atuderi\ Jacob & Tobler 
(20). 
* \Pericoamua , — P. cf. c dlloaua ; Nelli : 
P. edicardaii ; Bellini (641) : P. latua ; 
Lambert 8 (104) : Ag., descr., distin- 
guished from Schizaater grotelonpi ; 
Lambert 1 (43, pi.). — P. orbignyi ; 
Bellini (641). — P. pedemontanus ; op. 
cit. (649) : Nelli. — P. cf. apatangoidea ; 
Nelli. 
\Periaalenia gen. n. of Acro$aleniidae, 
for Acroaalenia gauthieri, louei } 
lamarcki , lamberti, pidchella, bradfor- 
dcnsia, libyca (276): P. colteaui sp. n. 
for Acroaalenia bolonienaia Ootteau, pi. 
253, If. 3, 4 (278) : P. lamberti, ambu- 
lacrals (297) ; Valette 2, Auxerre, Bui. 
soc. sci. Yonne, 59. 
^Periachodomua vide Tornquiatellua. 
Periapatangua vide Koiloapatangua. 
Peroniaatev maintained ; Lambert 8 
(102). 
Petalocidaria , discussed ; Doederlein, 
2 (97). 
* \Phalaeropedina guerangeri, ambula- 
crals ; Valette 2 (302). 
Phormosoma (293) discussed (294); 
Sciiurig : diagnosed, spp. discussed ; 
(125): P. adenicum, diagnosed (128), 
descr. (134) measured (135, pis.): P. 
buraarium, diagnosed (128) measured 
•(136); Doederlein, 2. — P. hoplacan- 
tha, movements ; Doflein (269 
fig.). — P. indicum, diagnosed (296), 
described (297, fig.) ; Sciiurig : diag- 
nosed (128) descr. (130, pis.) measured 
(136) var. (133, pis.); Doederlein, 2. — 
P. placenta, diagnosed, descr. (128) 
measured (135): P. sigabei, diagnosed 
(128) measured (135) ; Doederlein, 2. 
Phriaaocy8tia humili8, vide Meijerea. 
Phyllacanlhua discussed (98), name 
(100), diagnosed (103) ; Doederlein, 2. — 
P. imperialia discussed, pedicellariae 
figd. ; op. cit. (98) : ILemoine (253, 256, 
262) : -[Gregory (253). 
Phymoaoma crenulare, vide Glyptoci- 
daria. 
• fPiliacua rejected ; Valette, 2 (291). 
Plagiopneuate8 criticised ; Lambert 5 . 
