I'KKKZ FAKFANTE: AMERICAN SOLENOCERID SHRIMPS 



these two specimens are part of the syntypic 

 series. Inasmuch as the larger female was treated 

 as the type by A. Milne Edwards and Bouvier, 

 I am furthering the latter authors' intent by desig- 

 nating it the lectotype of Parartemesia tropicalis 

 [=Mesopenaeus tropicalis], and the small female 

 is, therefore, a paralectotype. 



The type-locality of H. tropicalis is uncertain. 

 A. Milne Edwards and Bouvier (1909) copied the 

 coordinates of Blake stn 50 from the label enclosed 

 in the jar with the specimen; I have examined this 

 label and confirmed their data. However, the 

 locality corresponding to those coordinates is 

 beyond the 1,500-fm (2,744-m) contour, and thus 

 considerably deeper than the greatest depths 

 otherwise recorded for this shrimp, a species that 

 penetrates only the shallower portion of the upper 

 slope. Prior to the publication of A. Milne Edwards 

 and Bouvier, the coordinates and depth of Blake 

 stn 50 were recorded, in a serial list of Blake sta- 

 tions (Anonymous 1879), as follows: 26°31'N, 

 85°53'W, 119 fm (218 m). Later, S. Smith (1889) 

 quoted the latter data, noting that "The position 

 or depth must be wrong as there are 1700 fm 

 (3109 m) there, perhaps 28°31'." S. Smith's 

 suggestion concerning the latitude was perhaps 

 based on that of the three previous Blake stations, 

 which were 28°42'00"N, 28°47'30"N, and 

 28°51'30"N; however, these are at longitudes 

 greater than 88°W, situated off the Delta of the 

 Mississippi River, and thus far from Florida. The 

 confusion regarding the location of station 50 is 

 even greater, because the name "Florida Bank" 

 is not found on American hydrographic charts, 

 although it can be deduced that A. Milne Edwards 

 and Bouvier referred to West Florida Shelf, the 

 edge of which lies just east of where, according to 

 the label, the specimen was obtained. It seems to 

 me that the type-locality of this species will 

 remain indeterminable. 



Under the name Solenocera weymouthi, Lind- 

 ner and Anderson (1941) presented an excellent 

 description of M. tropicalis. Two of their state- 

 ments seem to be in need of modification: only the 

 ventral antennular flagellum is flattened (but not 

 canaliculate), the dorsal one being subflagelli- 

 form. The locality given for the allotype is in error. 

 W. L. Schmitt kindly allowed me to examine his 

 logbook of the collections made off the Dry Tortu- 

 gas in 1932, the time at which the specimen was 

 collected. His records show that "boat sta 74," 

 the locality in question, corresponds to the Anton 

 Dohrn trawl haul made 14 miles (22.5 km) south 



of the Dry Tortugas in 60 fm ( 110 m) on 5 August 

 1932. The data given by Lindner and Anderson 

 are those for Anton Dohrn station 71, made the 

 same day but, as they quoted, 19.5 miles (31.4 km) 

 south of the Dry Tortugas at 190-280 fm (347.5- 

 512 m). 



ACKNOWLEDGMENTS 



Special thanks are due Horton H. Hobbs, Jr., of 

 the Smithsonian Institution, for his suggestions, 

 and the interest demonstrated during this study. 

 I am grateful to Fenner A. Chace, Jr., Smith- 

 sonian Institution, for his aid in clarifying several 

 taxonomic problems and comments on the final 

 draft of the manuscript, which also benefited from 

 the suggestions of Raymond B. Manning of the 

 Smithsonian Institution and Austin B. Williams 

 of the Systematics Laboratory, National Marine 

 Fisheries Service, NOAA. 



The illustrations, a necessary part of this work, 

 were prepared by Maria M. Dieguez, who once 

 again has applied her artistic talent and pains- 

 taking efforts to a better understanding of the 

 American penaeoids, a contribution which I fully 

 appreciate. 



For placing at my disposal specimens in their 

 respective institutions or for donating material 

 to the Smithsonian Institution I am grateful to: 

 Enrique E. Boschi (Instituto de Biologi'a Marina, 

 Mar del Plata); Harvey R. Bullis, Jr. (Southeast 

 Fisheries Center, National Marine Fisheries 

 Service, NOAA, Miami); Alain Crosnier (Office de 

 la Recherche Scientifique et Technique Outre 

 Mer, Paris); Harold S. Feinberg (AMNH); 

 Anthony A. Fincham (BMNH); Jacques Forest 

 (MP); Willard D. Hartman (YPM); Lipke B. Holt- 

 huis (RMNH); Raymond W. Ingle (BMNH); 

 Motonaga Iwai (IOUSP); Leslie W. Knapp (Smith- 

 sonian Oceanographic Sorting Center); Herbert 

 W. Levi (MCZ); Linda H. Pequegnat (TAMU); 

 Solange C. de Saint-Brisson (Estagao de Biologia 

 Marinha, Arraial do Cabo, Rio de Janeiro); Paul 

 J. Struhsaker (Southwest Fisheries Center, Na- 

 tional Marine Fisheries Service, NOAA, Hono- 

 lulu); and Gilbert L. Voss (UMML). 



LITERATURE CITED 



ALCOCK, A. W. 



1899a. A summary of the deep-sea zoological work of the 

 Royal Indian Marine Survey ship Investigator from 1884 

 to 1897. Sci. Mem. Med. Off. Army India 11:1-49. 



341 



