world catalogue and bibliography of the recent pycnogonida

Hedgpeth, J.W. (1950): Pycnogonida of the United States Navy
Expedition, 1947-48. - Proc. U.S. Natn. Mus., 100 (3260):
147-160.
Hedgpeth, J.W. (1951): Pycnogonids from Dillon Beach and
vicinity, California, with descriptions of two new
species. - Wasman J. Biol., 9 (1): 105-117, 3 pls.
Hedgpeth, J.W. (1952): Class (or Subphylum) Pycnogonida. Sea
Spiders. In: E.F. Ricketts & J. Calvin (eds.). Between
Pacific Tides, 3rd ed.: 430; Stanford Univ. Press.
Hedgpeth, J.W. (1953): Class Pycnogonida. In: R.I. Smith et al.
(eds.). Intertidal invertebrates of the Central California
coast: 201-210; Univ. Calif. Press.
Hedgpeth, J.W. (1954): Pycnogonida. In: P.S. Galtsoff (ed.).
The Gulf of Mexico, its origin, waters and marine life. -
Fish. Bull. Fish & Wildl. Serv. U.S., 89 (55): 425-427.
Hedgpeth, J.W. (1954): On the phylogeny of the Pycnogonida. -
Acta Zool., Stockholm, 35: 193-213.
Hedgpeth, J.W. (1954): 1. The Pycnogonida. Reports on the
dredging results of the Scripps Institution of
Oceanography Trans-Pacific Expedition. July-December,
1953. - Syst. Zool., 3 (4): 147.
Hedgpeth, J.W. (1956): On the phylogeny of the Pycnogonida. -
Proc. XIVth Int. Congr. Zool., Copenhagen, 1953, sec. XV:
506-507.
Hedgpeth, J.W. (1957): Miscellaneous arthropods - annoted
bibliography. In: J.W. Hedgpeth (ed.). Treatise on marine
ecology and paleoecology. 1. Ecology: 1175-1176; Geol.
Soc. Am., Mem., 67; Boulder, Geol. Soc. Am.
Hedgpeth, J.W. (1959): Pycnogonida. In: Encyclopaedia
Brittanica: 2pp.
Hedgpeth, J.W. (1961): Pycnogonida. In: Encyclopedia of Science
and Technology: 105-106; New York: McGraw Hill.
Hedgpeth, J.W. (1961): Pycnogonida. In: The Encyclopedia of the
Biological Sciences: 851-852. New York: Van Nostrand
Reinhold.
Hedgpeth, J.W. (1961): Pycnogonida. Rep. Lund Univ. Chile
Exped. 1948-49. - Lunds Univ. Arsskr., N.F. (2): 1-18.
Hedgpeth, J.W. (1962): A bathypelagic pycnogonid. - Deep-Sea
Res., 9: 487-491.
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