368 



BULLETIN 100, UNITED STATES NATIONAL MUSEUM. 



POLYSTOMELLA CRISPA (Linnaeus). 



Nautilus aispus Linnaeus, Syst. Nat., ed. 12, 1767, p. 1162. 



Polystomella crispa Lamarck, Anim. sans Vert., voL 7, 1822, p. 625, No. 1. — H. B. 

 Brady, Rep. Voy. Challenger, Zoology, voL 9, 1884, p. 736, pi. 110, figs. 6, 7.— 

 CusHMAN, Bull. 71. U. S. Nat. Mus., pt. 4, 1914, p. 32, pi. 18, fig. 1. 



This is one of the species which is common in shallow water of 

 the tropics, especiall}'' in the Indo-Pacific. It has been found at 

 36 stations in the area, ranging in depth from 10 to 554 fathoms 

 (18 to 1,012 meters), with the average depth 122 fathoms (222 

 motors). Bottom temperatures are given at eight stations, ranging 

 from 50° F. to 75.7° F. (10.2° C. to 24.2° C), the average tem- 

 perature 57.5° F. (14.2° C). All but one of these stations are in the 

 Philippines proper, except D5640, Buton Strait, and tliis is also in 

 shallow water, the depth being 24 fathoms (44 meters). 



Those stations at which it occurred in greatest abundance are all 

 under 20 fathoms (37 meters), showing that the general habitat is 

 in comparatively shallow water. 



Polystomella crispa — Material examined. 



Cat. 

 No. 



Coll. of— 



No. of 

 speci- 

 mens 



Station. 



Locality. 



Depth 



in 

 fath- 

 oms. 



Bot- 

 tom 

 tem- 

 pera- 

 ture. 



Character of 

 bottom. 



Abundance. 



15554 

 15555 

 15556 

 15557 

 15558 

 15559 

 15560 

 15561 

 15562 

 15563 

 15564 

 15565 

 15566 

 15567 

 15568 

 15569 

 15570 

 15571 

 15572 

 15573 

 15574 

 15575 

 15576 

 15577 

 15578 

 15579 

 15580 

 15581 

 18582 

 15583 

 15584 

 15585 

 15586 

 15587 

 13345 

 13341 



U.S.N.M. 

 U.S.N.M. 



U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 

 U.S.N.M. 



r)5136. 



D5138. 



D5139. 



D5141. 



D5142. 



D5143. 



r)5144. 



D5145. 



D5148., 



D5151., 



D5154.. 



D5156.. 



D5159.. 



D5160.. 



1)5161.. 



D5172.. 



D5178.. 



D5179.. 



D5181.. 



D.5192.. 



D5201.. 



D5250.. 



1)5311.. 

 10-1- ' D5348.. 

 3 i D5358.. 



D5368.. 



D5380.. 



D5385.. 



D5430.. 



D5469.. 



D5481.. 



D5571.. 



D5576.. 



D5640.. 



D5580.. 



5 

 10+ 



5 



1 



6 



6 

 10 



5 

 10-1- 



6 

 10+ 



9 



6 



2 



8 



8 



5 

 10-1- 



4 



6 



1 



4 



4 



6 04 20 N 

 6 06 00 N 

 6 06 00 N 

 6 09 00 N 

 6 06 10 N 

 6 05 50 N 

 6 05 50 N 

 6 04 30 N 

 5 35 40 N 

 5 24 40 N 

 5 14 50 N 

 5 12 50 N 

 5 11 50 N 

 5 12 40 N, 



5 10 15 N- 



6 03 15 N, 

 12 43 00 N. 



12 38 15 N, 

 11 36 40 N. 

 11 09 15 N, 

 10 10 00 N, 



7 05 07 N. 

 21 33 00 N. 

 10 57 45 N, 



6 06 40 N. 



13 35 30 N. 

 13 02 45 N. 

 13 24 50 N. 



9 49 40 N. 

 13 36 48 N 

 10 27 30 N. 



5 30 45 N, 



5 25 56 N. 



4 27 00 S. 



4 52 45 N 

 Cagayan, P 



120 59 20 E . 



120 58 50 E.. 



121 02 30 E.. 



120 58 00 E.. 



121 02 40 E.. 

 121 02 15 E.. 



121 02 15 E.. 

 120 59 30 r.. 

 120 47 30 E.. 

 120 27 15 E.. 

 119 58 45 E.. 

 119 55 55 E.. 

 119 54 00 E.. 

 119 55 10 E.. 



119 63 00 E.. 



120 35 30 E.. 



122 06 15 E.. 



122 12 38 E.. 



123 26 35 E.. 

 123 50 00 E.. 

 125 04 15 E.. 

 125 39 45 E.. 

 116 15 00 E.. 

 118 38 15 E.. 



118 18 15 E.. 



121 48 00 E.. 



122 29 00 E.. 



123 03 70 E.. 



119 03 20 E.. 

 123 38 24 E.. 

 125 17 10 E.. 



120 07 57 E.. 

 120 03 39 E.. 



122 55 40 E . . 

 119 06 45 E.. 

 I 



22 

 19 

 20 

 29 

 21 

 19 

 19 

 23 

 17 

 24 

 12 

 18 

 10 

 12 

 16 



318 

 78 

 37 

 26 

 32 



554 

 23 

 88 



375 

 39 



181 



s., sh 



s.,Co.... 



CO. s 



CO. s 



CO. sh 



CO. sh 



CO. sh 



CO. sh 



CO. sh 



CO. sh 



CO. s 



fne. s., sh. 

 CO. s 



75.7 



56.4 



fne.s 



fne. s., sh. 

 fne. s., sh. 



hrd. s 



m., fne.s.. 



gn. s 



gy. s., m.. 



CO. s 



crs. s 



co.s 



gy-m- 



327 

 464 

 500 



61 

 340 

 277 



24 

 162 



62.4 

 50.0 



52.3 

 53.3 



gy-m 



glob. ooze. 



gu-m 



s., sh 



s., sh 



55.8 



s.,blk. sh. 

 br. s., Co. . 



Few. 



Common. 



Common. 



Rare. 



Few. 



Few. 



Common. 



Common. 



Common. 



Common. 



Common. 



Common. 



Common. 



Rare. 



Common. 



Common. 



Common. 



Common. 



Common. 



Common. 



Rare. 



Few. 



Few. 



Common. 



Few. 



Few. 



Few. 



Few. 



Few. 



Few. 



Few. 



Few. 



Few. 



Few. 



Few. 



Few. 



POLYSTOMELLA CRATICULATA (Fichtel and Moll). 



Nautilus craticulatus Fichtel and Moll, Test. Micr., 1803, p. 51, pi. 5, figs. h-k. 

 Polystomella craticulata d'Orbigny, Ann. Sci. Nat., vol. 7, 1826, p. 284, No. 3. — 



H. B. Brady, Rep. Voy. Challenger, Zoology, vol. 9, 1884, p. 739, pi. 110, figs. 



16. 17.— CusHMAN, Bull. 71, U. S. Nat. Mus,, pt. 4, 1914, p. 34, pi. 19, fig. 4. 



