Figs. 26, 27. 
Fig. 
Fig. 
Figs. 31, 32. 
Fig. 
Fig. 
Fig. 
29. 
30. 
33 
3b. 
PLATE XII.—(Continued.) 
HOLOPEA) SYMMBTRICA: /Elalllancasorwelcin ae ene ok 
Lateral views of two incomplete specimens. Jacksonburg, 
Locality 174 A. 
LOPHOSPIRAUMEDTALTS# UW. cGo auc crete 5) «1 ae earl st ie iereiotels tee 
Lateral view of a nearly complete specimen. Jackson- 
burg, Locality 174 A. 
HORMOMOMA SAT DERI, (Wilt Chee eepia creas sycicis, Sexe ecst hehohene 
Lateral view of an incomplete internal cast. Jackson- 
burg, Locality 174 A. 
HOLOPEHA, PARVUDAy LT Chaten Me coe cha etiste a cho eee 
Lateral view of a nearly complete specimen, a partial in- 
ternal cast. Jacksonburg, Locality 174A. 
Two views of an incomplete specimen. Jacksonburg, Lo- 
cality 174A. 
CYCLONEMA MONTREALEN SIS billy 22 a tailed oasetekelereisione 
Lateral view of an incomplete specimen. Near Branch- 
ville, Locality 75 A. 
LOPRHOSPIRACOWEND (Wi 86 a5 oe cress elles ts love isle eve onenenotetae 
Lateral view of an incomplete specimen. Jacksonburg, 
Locality 174 A.*° 
Dorsal view of a fragmentary specimen. Jacksonburg, 
Locality 174 A. 
(405) 
181 
183 
187 
186 
181 
179 
