446 C. BOVALLIUS. ASELLIDA. 
te Amsterdam. 10:de 
Aflevering. Amster- 
dam. 4:to. 
The first pair of antenne five-jointed, as long as a third 
of the breadth of the head. The second pair of antenne 
longer than half the length of the body. The pleon longer 
than the last three pereional segments, with a deep notch at 
the hinder margin for the reception of the uropoda, which 
are fixed close together. The minute rami rudimentary, 
shorter than the peduncles. 
Colour. Ashy, with the front whitish. 
Length. 5 mm. 
Hab. The atlantic shores of Europe and North America 
to northern Norway and Labrador. The Baltic. The Me- 
diterranean. 
2. Iera Hopeana. A. Costa. 
Syn. 1853. Jera Hopeana. A. COSTA. Fauna di Regno di Napoli. Fasc. 
83 (2) p. 1, pl; VE(OTnSIEE 
The anterior margin of the head is feebly bisinuated. The 
first pair of antenn&e are shorter than half the breadth of the 
head, 7-jointed. The second pair reach to the anterior margin 
of the fourth pereional segment; the flagellum consists of 
about 20 articuli. The pleon is semicircular; the excavation 
for the insertion of the uropoda is large but not very deep. 
The uropoda are placed close by each other. The rami shorter 
than the peduncles, equal. 
Colour. Ashy grey. 
Length. 3 mm. 
Hab. "The Mediterranean. 
It is probably identical with I. albifrons. 
> 
3. Iera nivalis. ÅKROEYER. 
Syn. 1838. Jara nivalis. KROEYER. >Gronlands Amfipoder>. 
K. Danske Videnskabs- 
selsk. Afhandlinger Vol. 
7, Pp: 303, pl; 47 here 
