thoracic legs and other appendages are not figured, except as regards the rostrum which is 

 obliquely directed upward and the telson, in which the anterior of the 3 lateral spinules 

 is very small, much smaller than the two posterior that are subequal but also apparently 

 smaller than in the typical inter media. They are therefore described as a variety, but, of 

 course, when the appendages and the petasma should afterwards prove to differ, then the 

 variety should be raised to the rank of a species as Penaeopsis anchista. 



The largest specimen is one of the females from Ternate, which is 80 mm. long, the 

 other being a little smaller-, the male (Fig. 3) from the Kei-islands is 77 mm. long, the female has 

 .nearly the same size, but the other specimens are much younger, especially the young specimen 

 from Balikpapan, the length of which is 16 mm. In the larger female from Ternate and in 

 the young male, long 52 mm., from Pulu Weh, the rostrum is armed in addition to the 

 isolated epigastric tooth with 1 1 teeth, in the male from the Kei-islands and in the young female, 

 long 45 mm., from Stat. 323 with 10 and in the three other specimens with 9 teeth: in the 

 typical Pen. intcrmedia the rostrum bears 8 teeth in addition to the epigastric tooth. This 

 epigastric tooth is smaller than the posterior or i st tooth of the rostrum and stands on the 

 anterior third of the carapace. The rostral teeth stand to the tip, the two posterior stand on 

 the carapace and from the 5 th or 6 th they regularly decrease in size. The rostrum is obliquely 

 directed upward, in the younger specimens the distal half runs straight forward, so that 

 the line uniting the apices appears slightly arched ; in the largest specimen the rostrum reaches 

 a little beyond the 2 nd joint of the antennular peduncle, in the other female from Ternate 

 almost to the distal end of this joint, in the male from the Kei-islands to the middle, in the 

 female just beyond the middle of the 2 nd joint, in the young male from Pulu Weh to the 

 middle, in the young female from Stat. 323 almost to the middle of this joint, while in the 

 very small specimen from Balikpapan it extends only to the corneae of the eyes; the rostrum 

 proves thus to be the longer, the older the specimen is and, when this variety should obtain 

 the length of 1 2 cm. like the typical species, it will probably, like in the latter, be equal in 

 length to the antennular peduncle. 



Post-rostral crest low, though distinct, running nearly to the posterior margin of the 

 carapace, bounded on each side by shallow, setae-grown parts of the surface. Post-ocular 

 angulation acute, almost spiniform. Post-antennular (antennal) spine moderate, continued back- 

 wards as a ridge that does not reach to the hepatic spine. Hepatic spine smaller than the 

 post-antennular; from the hepatic spine a well-defined, setae-grown groove, the cervical groove, 

 runs obliquely upward and backward to near the post-rostral ridge; below the hepatic spine 

 this groove is continued as a crescentic crease running towards the rounded, un armed, 

 antero-lateral angle of the carapace, which it, however, does not reach. From the hepatic spine 

 no ridge or crest runs backward, the surface appearing here quite smooth, but between 

 the upper part of the cervical groove and the posterior margin of the carapace still three 

 setae-grown grooves occur, exactly like in the typical species; the anterior of these grooves. 

 runs S-like and unites dorsally with the cervical groove, the following is bifurcate, one branch 

 running downward and slightly forward, the other backward, the posterior groove, finally, runs 

 obliquely, between the cardiac and branchial region, but without reaching the posterior border 



