GIGANTOSTHACA—PYONOGONIDA. 
Crust . 81 
INCERTUE SEDIS. 
\Cyclus , compound eye, p. 269, diagnosis, p. 270, key to American spp., 
p. 274, communis , p. 270, pi. xiv, figg. 1 & la, packardi , p. 271, pi. xiv, 
tigg. 2 & 2a, permarginatus , p. 272, pi. xiv, fig. 3, limbatics, p. 273, 
pi. xiv, fig. 4, minutus , p. 273, pi. xiv, fig. 5, Upper Coal Measures, 
Missouri and Kansas; Rogers, Kansas Univ. Bull, i, n. spp. 
PYONOGONIDA. 
I. TITLES. 
1. Giesbrecht, W. & Mayer, P. Artliropoda. Zool. Jaliresber. 1902, 
72 pp. 
\Pantopoda , pp. 22-24.] 
2. Hodgson, T. Y. Crustacea , in Report on tlie Collections of Natural 
History made in the Antarctic Regions during the voyage of the 
“Southern Cross,” London, 1902. ( Pycnogonida , pp. 256-258, pi. xl.) 
3. Lankester, E. Ray. Arachnida. Encycl. Brit, xxv, pp. 519-546, 
“ 8 fi gg- 
4. Lonnberg, Einar. List of Pycnogonids collected by the Swedish 
zoological expedition to Spitzbergen and East Greenland, 1900. Ofv. 
Ak. Fork, lix, pp. 353-360. 
Mayer, P. [See Giesbrecht & Mailer (I).] 
5. Meisenheimer, J. Ueber die Entwicklung der Pantopoden und ihre 
systematische Stellung. Yerh. Deutsch. zool. Ges. 1902, pp. 57-64. 
6. -. Beitrage zur Entwicklungsgeschichte der Pantopoden. 1 . Die 
Entwicklung von Ammothea echinata Hodge bis zur Ausbildung der 
Larvenform. Zeitschr. wiss. Zool. lxxii, pp. 191-248, pis. xiii-xvii, and 
12 figg. in text. 
Abstract, Zool. Jahresber. 1902, Arthrop. p. 22. 
7. Mobius, Karl. Die Pantopoden der deutschen Tiefsee-Expedition. 
AYiss. Ergebn. deutschen Tiefsee Exp. Yaldivia iii, pp. 177-196, pis. 
xxiv-xxx. 
II. SUBJECT INDEX. 
Morphology and relationships of Pycnogonida ; Lankester (3). 
Development and systematic position of Pycnogonida ; Meisenheimer 
(5 & 6). 
Review of literature for 1902 ; Giesbrecht & Mayer (1). 
III. DISTRIBUTION. 
Spitzbergen and E. Greenland, Pycnogonida ; Lonnberg (4). 
Antarctic Seas, n. sp. Nymphon\ Hodgson (2). 
Agulhas Bank, Bouvet I. Dar-es-Salam, n. g. and spp.; Mobius (7). 
