Antonsen BL, Pau DH: The Leg Depressor and Levator Muscles in the Squat Lobster Munida quadrispina (Galatheidae) and the Crayfish Procambarus clarkii (Astacidae) Have Multiple Heads with Potentially Different Functions. Brain Behav Evol 2000;56:63-85 (DOI: 10.1159/000006678) Free Abstract Login (Subscriber / Returning Pay-per-View Customer) User ID : Password : Helpdesk Shibboleth Login:  CH  DE  UK New Pay-per View Customer   Pay-per-View Options:  •  NEW: Payment on account     With a Karger Pay-per-View account (down payment USD 100.00)     you profit from a special rate for this and other single items.     This item at the discounted price:                  USD 24.50 or  •  Direct payment      This item at the regular price:                       USD 35.00   Journal Home Journal Content Guidelines Editorial Board Aims and Scope Subscriptions Search in this issue New Section – free access! Highlights and Perspectives on Evolutionary Neuroscience Special offer for members of the J.B. Johnston Club This journal is part of the first subject package of the Karger Journal Archive Collection Information on packages (PDF) Free sample issues For non-native English speakers and international authors who would like assistance with their writing before submission, we suggest American Journal Experts for their scientific editing service.  © 2010 S. Karger AG, Basel