RUIZOCEPHALA, GIGANTOSTRACA. 
Grust. 43 
RHIZOCEPHALA. 
8 acculina fraissei , n. sp., Giard, (74) p. 84 ; embryogeny of 8. carcini, 
Delage (48). [ Vide also Delage (50) (51), Giard (76).] 
Peltogaster , nervous and other systems of, compared with those of 
Sacculina ; Delage (52). 
GIGANTOSTRACA. 
Podostomata , new term to supplant Gigantostraca ; Packard (159). 
Recent. 
Limulus in the Pacific, San Francisco (128). 
Paleontology. 
Illcenus. Holm (93) gives a full account of the genus, and describes 
the following new forms : I. jevensis , p. 57 ; intermedius , p. 69 ; ariensis , 
p. 80 ; sulcifrons , p. 82 ; plantini, p. 85 ; revaliensis (olim I. wahlenbergi, 
Eichw.), p. 87 ; oculosus , p. 98 ; cliudleighensis , p. 101 ; sinuatus (also 
taken from I. wahlenbergi), p. 102 ; ladogensis, p. 113 ; angustifrons — 
crassicauda (Romer), p. 130; masckei , p. 139; proles , p. 154; livonicus, 
p. 157 ; ccecus , p. 162. 
Eurymetopus , n. g., Postlethwaite (170), with n. spp. cumbrtanus , p. 460, 
and harrisoni , p. 461. 
Darrandea falcata, n. sp., id. p. 462. 
Agnostus, n. spp. of : regulus, p. 67 ; partitus, p. 68 ; vir , p. 69 ; tessella , 
p. 71 ; umbo , p. 71 ; obtusilobus and acutilobus, p. 73 : Matthew (140). 
Paradoxides abenacus, n. sp., id. p. 78. 
Dindymene haidingeri , from Co. Clare ; Baily, (4) p. 373. 
Anomocare pawlowskii, n. sp., Schmidt, (187) p. 501. 
Liostracus ? may deli, n. sp., id. p. 503. 
Agnostus czekanowskii , n. sp., id. p. 504. 
Phacops ( Monorakos ) lopatini, n. sp., id. p. 506 ; P. (if.) sibericus , id. 
p. 507 ; P. obtusa , n. sp., Lindstrom, (129) p. 41. 
Proetus ( Phceton ) slatkowskii, n. sp., Schmidt, (187) p. 508. 
Gyphaspis sibirica , n. sp., id. p. 510 ; punctillosa , Lindstrom, (129) p. 77. 
Eurypterus ? czekanowskii and punctatus , n. spp., Schmidt, (187) 
p. 511. 
Chirurus gotlandicus, n. sp., Lindstrom, (129) p. 45. 
Sphcerexochus laciniatus, n. sp., id. p. 47 ; beyrichi , n. sp., id. p. 48. 
Youngia, n. g., with n. spp. globiceps and inermis, id. p. 50. 
Olenus nuneatonensis , n. sp., Sharman, (195), p. 565. 
Obolella granulata , n. sp., id. p. 566. 
Lichas palifer , n. sp., Lindstrom, (129) p. 57 ; araneus , marginatus r 
visbyensis, n. spp., id. p. 58 ; plicatus , triquetrus, n. spp., id. p. 59. 
Harpes acuminatus, n. sp., id. p. 62. 
